CH 13 Earth’s Atmosphere Fill in the blank with the correct word. Fill in the Blanks 1. About 78 percent of Earth’s atmosphere is __________________ 2. Another 21 percent is ___________________ 3. The gases making up the remaining 1 percent include three, in varying amounts of ___________, _________, and ____________ 4. The gas ___________________ is in the stratosphere; closer to Earth’s surface in urban areas, it is considered to be a pollutant 5. The atmosphere also contains solid particles, including ______________ from plants and _____________ from volcanoes 6. Liquids in the air include ___________________ from evaporation and ___________________ from the burning of fossil fuels. 7. The force that pulls the atmosphere toward Earth is _____________. 8. This pull causes the atmosphere to exert a force called ___________. 9. The more gas molecules that are in a given volume of air, the greater the ____________________of the air will be 10. In the _____________ , and the _____________, temperature decreases with increasing altitude. 11. In the _________________, the _________________, and the _________________, just the opposite occurs 12. Temperature increases in the ______________ are caused by the presence of ____________, which readily absorbs solar radiation. Draw, Label and color the Atmospheric Layers depicted on pp 428. 13-2 ENERGY TRANSFER IN THE ATMOSPHERE