BioK Quick Quiz on Climate Change (4.4) BioKnowledgy Quick Quiz on Climate Change (4.4) [16 marks] 1. Which of the following are greenhouse gases? I. Oxides of nitrogen II. Carbon dioxide III. Methane A. I and II only B. I and III only C. II and III only D. I, II and III (1) 2. Which property of a gas means that it is classed as a greenhouse gas? A. They trap some of the long-wave radiation emitted by the Earth’s surface. B. They prevent short-wave radiation from reaching the Earth’s surface. C. They dissolve in rainwater to produce acid rain. D. They are only produced by human activity. (1) 3. The graph below shows variation in the concentration of CO2 in the atmosphere as measured at Mauna Loa in Hawai’i. The small inset graph shows the variations in CO2 during a one year period. [Source: adapted from Dr P Tans, NOAA Earth System Research Laboratory] (a) Outline why the concentration of CO2 falls between April and August. ...................................................................................................................................... (1) http://www.bioknowledgy.info/ (Chris Paine) BioK Quick Quiz on Climate Change (4.4) (b) Explain the observed changes in atmospheric CO2 concentration from 1960 to 2005. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (3) (c) Explain the relationship between rises in concentration of carbon dioxide and the enhanced greenhouse effect. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (5) 4. Explain how an increase in atmospheric carbon dioxide leads to ocean acidification and why this is a threat to coral reefs. ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... ...................................................................................................................................... (5) http://www.bioknowledgy.info/ (Chris Paine) BioK Quick Quiz on Climate Change (4.4) http://www.bioknowledgy.info/ (Chris Paine)
