Oxygen is found in healthy bones and teeth breaks down food into energy is an important element in dna is an organic element

Oxygen does not break down food into energy. It is not found in healthy bones or teeth. It is not an important element in DNA. So it is D. Oxygen is an organic element

a rain shadow is a dry region of land on the side that is protected against the prevailing winds of a mountain range. the prevailing winds are the winds that occur most of the time in a particular place of the earth

prevailing winds carry air toward the mountain range. as the air rises up over a mountain range, the air cools, water vapor condenses, and clouds form. on this side of the mountains, called the windward side, precipitation falls in the form of  rain  or snow. this dry air produces a  rain shadow.

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