say that
deforestation
(砍伐树林)
has____2___effects on the environment.
One of the major disadvantages of deforestation is that it___3___the water cycle. Trees are___4___for drawing water from the soil and releasing moisture (水分) into the atmosphere. Deforestation disturbs the water cycle and makes the environment____5___. Climate change is a(n)___6___of cutting down too many trees.
Burning of forests___7___a large amount of carbon dioxide and other greenhouse gases, which are known for trapping atmospheric heat,____8___increasing the average temperature of the earth surface. The rise in the average temperature of our planet is bound to____9___sea level.
Global warming has already begun causing the___10__ of the ice at the poles, thus adding
to the rise in sea level.
Animals___11___trees or other plants. By cutting down trees, we___12__ animals of their sources of food and cause the destruction of animal life.
It can lead to the____13___ of a variety
of animal species. Global warming that is largely caused by deforestation___14__ endangers plants and animals.
It is believed that the use of fossil___15__—oil and gas—causes global warming. But research has revealed that deforestation is one of its major___16__. It is the main reason behind the___17__ of greenhouse gases in the atmosphere,___18__ to the greenhouse effect. So, we need to show greater___19__ for deforestation. We need to take measures to___20__ deforestation so that we can hope for a better environment.
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