Groundwater contamination occurs when man-made products such as gasoline, oil, road salts and chemicals get into the groundwater and cause it to become unsafe and unfit for human use. Materials from the land's surface can move through the soil and end up in the groundwater. That is why pollution can contaminate an aquifer.
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Answer:
because smaller is better i would knoow
Explanation:
Answer:
D. Division of body cells results in a greater variety of traits
Explanation:
Since sexual reproduction occurs between two organisms their traits are combined to form a new individual who has similarities and differences to both parents.
The answer is false. <em>Topographical</em> maps show elevation on the Earth's surface.
I think is D,,,,,,,,,,,,,,,,,
