Why is digestion necessary, and what roles do enzymes play in digestion?

mountains can affect the climate of nearby lands. in some areas, mountains block rain, so that one side of a mountain range may be rainy and the other side may be a desert. much of airborne moisture falls as rain on the windward side of mountains.

explanation:

population. population is the number of people or animals in a particular place. an example of population is over eight million people living in new york city.

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