1.     Representative                   a) when a particular type of animal or plant stops existing                 [1] 2.     Greenhouse gas                 b) someone who has been chosen to speak, vote, or make decisions  [1]3.     Atmosphere                               c) very important and needing to be dealt with                                  [1]4.     Goods                d) the mixture of gases that surrounds the Earth                                  [1]5.     Extinction                          e) dry weather not enough water for plants and animals                      [1]6.     Drought                              f) a gas, such as carbon dioxide, that traps heat above the Earth         [1]7.     Urgent                               g)  things that are made to be sold, products                                         [1] ​