Matching Pairs The Causes and Effects of Climate ChangeOnline version Matching the words with their definitions. by LAURA MICHELLE JIMENEZ PAZMINO 1 Greenhouse gas 2 Ecosystem 3 Carbon dioxide 4 Fossil fuels 5 Climate change 6 Atmosphere 7 Excess 8 Drought made from decomposing plants and animals. too much of something. a gas that traps heat from the sun, an area where certain plants and animals live and interact. a heavy colorless gas that is formed by burning fuels. a long period of time without rain. the layer of gas that surrounds the Earth, a long-term change in the average weather patterns that have come to define Earth's local, regional and global climates.