Answer:genetic variation helps ensure that not all organisms are the same.
Explanation:
Answer: [D]: "oceans" .
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Note: Among the answer choices given—{aquifers, glaciers, lakes, oceans}—oceans are the saltiest (VERY salty—requiring "desalination" in order to obtain potable water.
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Since chemical weathering is the reaction of rocks with other chemicals, the answer should be answer D!
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ATP stand for adenosine triphosphate. It consists of the nitrogenous base adenine and is linked to a sugar molecule. It is necessary for human life because it gives the body energy
