* 0000800000001 * , , Cambridge IGCSE™ ¬W. 4mHuOªE_|6W ¬^TsV¤{R{?£q_ ¥e5EU¥EE EU ueU * 4 2 9 0 2 8 1 1 4 6 * ENVIRONMENTAL MANAGEMENT Paper 1 Theory 0680/11 October/November 2024 1 hour 45 minutes You must answer on the question paper. No additional materials are needed. INSTRUCTIONS ● Answer all questions. ● Use a black or dark blue pen. You may use an HB pencil for any diagrams or graphs. ● Write your name, centre number and candidate number in the boxes at the top of the page. ● Write your answer to each question in the space provided. ● Do not use an erasable pen or correction fluid. ● Do not write on any bar codes. ● You may use a calculator. ● You should show all your working and use appropriate units. INFORMATION ● The total mark for this paper is 80. ● The number of marks for each question or part question is shown in brackets [ ]. This document has 20 pages. Any blank pages are indicated. DC (DE/FC) 337170/3 © UCLES 2024 [Turn over DO NOT WRITE IN THIS MARGIN * 0000800000002 * 2 , , Section A 1 (a) The diagram shows part of the water cycle. Key movement of water DO NOT WRITE IN THIS MARGIN process A precipitation ice and snow transpiration B DO NOT WRITE IN THIS MARGIN run-off C ocean ground water flow State the names of processes A, B and C. B .............................................................. C .............................................................. [3] (b) Desalination is a process used to produce fresh water. (i) Name and describe one method of desalination. name of method ................................................................................................................ DO NOT WRITE IN THIS MARGIN A .............................................................. ........................................................................................................................................... ........................................................................................................................................... [3] © UCLES 2024 ĬÕĊ®Ġ´íÈõÏĪÅĊÞú¸þ× ĬÞÒô×ĨĩčéùýäÛċďáĨĂ ĥŵĕõõąµÕąĕÅÅĕĥµąÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN description ......................................................................................................................... 3 , (ii) , Rivers, lakes and streams are natural sources of fresh water. State one other natural source of fresh water. ..................................................................................................................................... [1] [Total: 7] DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN * 0000800000003 * © UCLES 2024 Ĭ×Ċ®Ġ´íÈõÏĪÅĊÞü¸þ× ĬÞÑóÏĢĥĝÐÿôĥÿóËáĘĂ ĥÅÅÕµĕĥÕÅõÅÅÅõąõĕÕ 0680/11/O/N/24 [Turn over 4 2 , (a) The diagram shows equipment used to generate electricity from tidal power. transmission cables not to scale sea cable blades minimum depth 30 m 15 m DO NOT WRITE IN THIS MARGIN , DO NOT WRITE IN THIS MARGIN * 0000800000004 * concrete base (i) sea floor Describe how tidal power is used to generate electricity. ........................................................................................................................................... ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN land ........................................................................................................................................... ........................................................................................................................................... ..................................................................................................................................... [3] (ii) Describe the limitations of using tidal power. ........................................................................................................................................... ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ..................................................................................................................................... [3] © UCLES 2024 ĬÕĊ®Ġ´íÈõÏĪÅĊàú¸Ā× ĬÞÑòÏĬėĬëāûĞÝÏĩ±ĠĂ ĥõĕÕõĕĥõåÕµÅąõåõąÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN ........................................................................................................................................... 5 , , (b) Tidal power is a renewable resource. The photograph shows equipment used to generate electricity using another renewable resource. equipment that uses renewable resource State the renewable resource the equipment uses. ............................................................................................................................................. [1] [Total: 7] DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN * 0000800000005 * © UCLES 2024 Ĭ×Ċ®Ġ´íÈõÏĪÅĊàü¸Ā× ĬÞÒñ×ĞěĜÎ÷Ćëùç­±ĐĂ ĥõĥĕµõąĕµåĥÅąĕŵĕÕ 0680/11/O/N/24 [Turn over 6 , 3 , Poor agricultural practices can cause soil erosion. (a) Contour ploughing is a strategy used to reduce soil erosion. Describe the process of contour ploughing on a slope. ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN * 0000800000006 * ................................................................................................................................................... ............................................................................................................................................. [2] (b) Planting trees reduces soil erosion by decreasing surface run-off. Explain how trees decrease surface run-off. ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... ................................................................................................................................................... ............................................................................................................................................. [2] [Total: 4] Approximately half of the world’s population are at risk of getting malaria. Tick (✓) the correct box for each statement about malaria. false Malaria is caused by bacteria. Malaria is transmitted by drinking contaminated water. Mosquitoes that carry malaria are a vector. © UCLES 2024 ĬÙĊ®Ġ´íÈõÏĪÅĊÝüµþ× ĬÞÑñÜĨóĒÖô÷ÒęÏÐęĠĂ ĥåÅĕµÕąµõÅÅÅÅĕĥõÅÕ 0680/11/O/N/24 [2] DO NOT WRITE IN THIS MARGIN true DO NOT WRITE IN THIS MARGIN 4 DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN * 0000800000007 * 7 , , Section B 5 (a) The pie chart shows data on fish populations for 104 species caught by one European country in 2021. Key limited data available sustainable population DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN overfished population no data 0 A student writes this conclusion from the data. ‘The majority of fish populations are sustainable.’ State whether this is a valid conclusion from the data. DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN Give two reasons for your answer. 1 ................................................................................................................................................. ................................................................................................................................................... 2 ................................................................................................................................................. ................................................................................................................................................... [2] © UCLES 2024 ĬÛĊ®Ġ´íÈõÏĪÅĊÝúµþ× ĬÞÒòÔĢïĢãĆĊė½çČęĐĂ ĥåµÕõµĥÕĥµĕÅÅõąµÕÕ 0680/11/O/N/24 [Turn over 8 , , (b) One strategy to reduce overfishing is farming of marine species. The bar chart shows data about fish yield in megatonnes (Mt) from fish farms and marine fisheries in 2008 and predicted for 2050. Key fish farms DO NOT WRITE IN THIS MARGIN * 0000800000008 * marine fisheries DO NOT WRITE IN THIS MARGIN 140 120 100 fish yield / Mt 80 60 0 fish farms marine fisheries fish farms 2008 marine fisheries 2050 year (i) Complete the bar chart to show that the fish yield in 2008 from fish farms was 62 Mt. [2] (ii) Calculate the predicted percentage increase in fish yield from fish farms between 2008 and 2050. .......................................................... [2] (iii) State three strategies to reduce overfishing, other than fish farming. 1 ........................................................................................................................................ DO NOT WRITE IN THIS MARGIN 20 DO NOT WRITE IN THIS MARGIN 40 3 ........................................................................................................................................ [3] © UCLES 2024 ĬÙĊ®Ġ´íÈõÏĪÅĊßüµĀ× ĬÞÒóÔĬýħØČāĐğċêĉĨĂ ĥĕĥÕµµĥõąĕĥÅąõåµÅÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN 2 ........................................................................................................................................ DO NOT WRITE IN THIS MARGIN * 0000800000009 * 9 , (c) (i) , Suggest how climate change could reduce yields from some marine fisheries. Give reasons for your answer. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ..................................................................................................................................... [4] (ii) Suggest one way an increase in extreme weather conditions could reduce the yield of fish farms. ........................................................................................................................................... ..................................................................................................................................... [1] (d) The El Niño Southern Oscillation (ENSO) affects fish yields. Describe how ENSO reduces fish yields along the Pacific coast of South America. ................................................................................................................................................... ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ............................................................................................................................................. [3] [Total: 17] © UCLES 2024 ĬÛĊ®Ġ´íÈõÏĪÅĊßúµĀ× ĬÞÑôÜĞāėáîðÙ»óîĉĘĂ ĥĕĕĕõÕąĕĕĥµÅąĕÅõÕÕ 0680/11/O/N/24 [Turn over 10 , 6 , (a) The bar chart shows the number of tropical cyclones over the North Indian Ocean for a 60-year period. 80 70 DO NOT WRITE IN THIS MARGIN * 0000800000010 * 60 40 30 20 10 0 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec month (i) State the month with the most tropical cyclones. © UCLES 2024 ĬÙĊ®Ġ´íÈõÏĪÅĊÞü·þ× ĬÞÓóÙĪąñÚăĊ¶ăĉ¾±ĐĂ ĥÅąĕµµÅõååĥąąÕåµõÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN ..................................................................................................................................... [1] DO NOT WRITE IN THIS MARGIN number of tropical cyclones DO NOT WRITE IN THIS MARGIN 50 DO NOT WRITE IN THIS MARGIN * 0000800000011 * 11 , (ii) , The table shows some of the data from the bar chart. Complete the table using a tally. month number of tropical cyclones Jan Feb DO NOT WRITE IN THIS MARGIN Mar Apr May Jun Jul Aug DO NOT WRITE IN THIS MARGIN Sep Oct Nov Dec [2] (b) Complete the sentences about tropical cyclones. DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN Tropical cyclones form north and south of the Equator between ............. ° and ............. °. The ocean surface temperature must be at least ............. °C. This temperature must extend to a depth of at least ............. m. [3] [Total: 6] © UCLES 2024 ĬÛĊ®Ġ´íÈõÏĪÅĊÞú·þ× ĬÞÔôÑĠĉāßõ÷ó×ṉ̃ĠĂ ĥÅõÕõÕåĕµÕµąąµÅõĥÕ 0680/11/O/N/24 [Turn over DO NOT WRITE IN THIS MARGIN * 0000800000012 * 12 7 , Ozone depletion occurs in the atmosphere. (a) The diagram shows the structure of the atmosphere. thermosphere DO NOT WRITE IN THIS MARGIN mesosphere stratosphere troposphere Label the diagram with an X to show where ozone depletion occurs. [1] (b) Explain why ozone depletion is a concern. ................................................................................................................................................... ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN , ................................................................................................................................................... ............................................................................................................................................. [3] © UCLES 2024 ĬÙĊ®Ġ´íÈõÏĪÅĊàü·Ā× ĬÞÔñÑĦûĈÜûðüõͼáĘĂ ĥõåÕµÕåµÕõÅąÅµĥõõÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN * 0000800000013 * 13 , , (c) Ozone depletion over Antarctica is known as an ozone hole. The graph shows the area of the ozone hole over Antarctica for July to December 2021 and the highest values measured since 1979. Key July to December 2021 DO NOT WRITE IN THIS MARGIN highest value measured since 1979 area of ozone hole / million km2 DO NOT WRITE IN THIS MARGIN Jul Aug Sep Oct month Nov Dec Discuss whether strategies to reduce the area of the ozone hole have been successful. Refer to the strategies and use the graph to support your answer. ................................................................................................................................................... ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... ................................................................................................................................................... ............................................................................................................................................. [5] [Total: 9] © UCLES 2024 ĬÛĊ®Ġ´íÈõÏĪÅĊàú·Ā× ĬÞÓòÙĤ÷øÝýā­áåĠáĨĂ ĥõÕĕõµÅÕÅąĕąÅÕąµĥÕ 0680/11/O/N/24 [Turn over 8 , (a) Pooters are used to collect insects by sucking them into a container. The diagram shows a pooter. tube tube mouthpiece insect sucked in lid fine mesh container (i) Suggest why there is a fine mesh over the end of one of the tubes. ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN 14 , DO NOT WRITE IN THIS MARGIN * 0000800000014 * (ii) Suggest why the mouthpiece is replaced between each user. ........................................................................................................................................... ..................................................................................................................................... [1] (iii) Suggest why the pooter should be emptied between each insect collection. ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN ..................................................................................................................................... [1] Suggest why water forms on the inside of the container if insects are kept inside the pooter for long periods of time. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ..................................................................................................................................... [2] (v) A student wants to use a pooter to investigate the number of mosquitoes in an area of land 5 m by 5 m. Suggest one limitation of using a pooter for this investigation. ........................................................................................................................................... ..................................................................................................................................... [1] © UCLES 2024 ĬÕĊ®Ġ´íÈõÏĪÅĊßù¶Ă× ĬÞÔôÜĞČĀÏċĆĒýðĬđĠĂ ĥÕÕÕµÕąõåĕĕÅąĕåõµÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN (iv) DO NOT WRITE IN THIS MARGIN ..................................................................................................................................... [1] 15 , , (b) A scientist in India investigates the number of mosquitoes in a house. The scientist uses a pooter to collect mosquitoes at 10-minute intervals in the house. The table shows the results. (i) time / minutes number of mosquitoes 0 90 10 78 20 60 30 59 40 45 50 25 60 20 Plot the data as a line graph on the grid. DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN * 0000800000015 * [4] DO NOT WRITE IN THIS MARGIN (ii) Calculate the total number of mosquitoes the scientist collected. .......................................................... [1] [Total: 11] © UCLES 2024 Ĭ×Ċ®Ġ´íÈõÏĪÅĊßû¶Ă× ĬÞÓóÔĬĈðêíû×ÙĈ°đĐĂ ĥÕåĕõµĥĕµĥÅÅąõŵåÕ 0680/11/O/N/24 [Turn over 9 , (a) The map shows the number of people per country predicted to be at risk from coastal flooding by 2030. N Key number of people per country risk level 0 no risk 1 to 599 low risk 600 to 59 999 medium risk 60 000 to 6 000 000 high risk Tropic of Cancer DO NOT WRITE IN THIS MARGIN 16 , DO NOT WRITE IN THIS MARGIN * 0000800000016 * Tropic of Capricorn (i) Describe the distribution of people predicted to be at high risk from coastal flooding by 2030. DO NOT WRITE IN THIS MARGIN Equator ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... ..................................................................................................................................... [3] © UCLES 2024 ĬÕĊ®Ġ´íÈõÏĪÅĊÝù¶Ą× ĬÞÓòÔĢöùÍóôÐûìĎāĨĂ ĥĥõĕµµĥµÕŵÅÅõĥµµÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN * 0000800000017 * 17 , (ii) , Suggest why the predicted risk to people from coastal flooding is low on the west coast of South America. ........................................................................................................................................... ........................................................................................................................................... ........................................................................................................................................... DO NOT WRITE IN THIS MARGIN ..................................................................................................................................... [2] (iii) Flooding can lead to water-related diseases and loss of life. State two other negative impacts of flooding. 1 ........................................................................................................................................ 2 ........................................................................................................................................ [2] DO NOT WRITE IN THIS MARGIN (b) Explain how underwater earthquakes can cause flooding. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ............................................................................................................................................. [2] (c) Flooding can be caused by a rise in sea levels. Explain how climate change causes sea levels to rise. DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ............................................................................................................................................. [2] © UCLES 2024 Ĭ×Ċ®Ġ´íÈõÏĪÅĊÝû¶Ą× ĬÞÔñÜĨúĉìąýęßÔÊāĘĂ ĥĥąÕõÕąÕŵĥÅÅĕąõåÕ 0680/11/O/N/24 [Turn over 18 , , (d) It is too late to reverse climate change. People need to adapt to the impacts of climate change. To what extent do you agree with this statement? Give reasons for your answer. ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN * 0000800000018 * ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... ................................................................................................................................................... DO NOT WRITE IN THIS MARGIN ................................................................................................................................................... © UCLES 2024 ĬÕĊ®Ġ´íÈõÏĪÅĊàù¸Ă× ĬÞÒòÙĤîğÓüûöėêú¹ĐĂ ĥµĕÕµµÅµõõµąÅÕĥµąÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN [Total: 17] DO NOT WRITE IN THIS MARGIN ............................................................................................................................................. [6] DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN * 0000800000019 * , © UCLES 2024 Ĭ×Ċ®Ġ´íÈõÏĪÅĊàû¸Ă× ĬÞÑñÑĦòďæþĆ³ÃÒÞ¹ĠĂ ĥµĥĕõÕåÕĥąĥąÅµąõĕÕ , 19 BLANK PAGE 0680/11/O/N/24 20 , , The boundaries and names shown, the designations used and the presentation of material on any maps contained in this question paper/insert do not imply official endorsement or acceptance by Cambridge Assessment International Education concerning the legal status of any country, territory, or area or any of its authorities, or of the delimitation of its frontiers or boundaries. Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge Assessment International Education Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cambridgeinternational.org after the live examination series. Cambridge Assessment International Education is part of Cambridge Assessment. Cambridge Assessment is the brand name of the University of Cambridge Local Examinations Syndicate (UCLES), which is a department of the University of Cambridge. © UCLES 2024 ĬÕĊ®Ġ´íÈõÏĪÅĊÞù¸Ą× ĬÞÑôÑĠĄĚÑĄý¼ġîĀéĘĂ ĥąµĕµÕåõąåĕąąµåõąÕ 0680/11/O/N/24 DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN DO NOT WRITE IN THIS MARGIN BLANK PAGE DO NOT WRITE IN THIS MARGIN * 0000800000020 *