Relier Pairs The Causes and Effects of Climate ChangeVersion en ligne Matching the words with their definitions. par LAURA MICHELLE JIMENEZ PAZMINO 1 Ecosystem 2 Climate change 3 Fossil fuels 4 Greenhouse gas 5 Carbon dioxide 6 Drought 7 Excess 8 Atmosphere 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. a long period of time without rain. 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. too much of something. made from decomposing plants and animals.