G3 Crossword
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
                           
 
 
Down: 1) changing what is planted from year to year2) the patterns of weather in an area over many years3) large cities show significant climate differences from surrounding areas in their climate zone4) the careful use of a resource to avoid wasting it5) changes in temperature, wind, and air moisture that takes place over a short period of time6) similar patterns of temperature and precipitation7) gases in the atmosphere trap the sun's warmth10) very heavy rain that falls on western South America causing floods while very little rain falls on Australia, Africa and southern Asia14) wind patterns that are typical only in a small area18) when chemicals in air pollution combine with precipitation Across: 8) when polluting chemicals combine with ozone9) powerful chemicals that farmers use to kill crop destroying insects11) when mountains block rain from reaching interior regions12) a process in which water is collected and distributed to crops13) cutting dowm forests without replanting15) the variety of plants and animals living on the planet16) a place shared by plants and animals that depend on one another for survival17) wind patterns that are similar over time19) unusually cool waters and low rainfall in the eastern Pacific with heavy rainfall and typhoons in the western Pacific20) steadily flowing streams of water in the world's seas21) areas such as rain forest, desert, grassland and tundra in which particular plants and animals have adapted
 

 

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