B. Scarcity of drinking water
Answer:
i belive its B, so sorry if im wrong!..
Explanation:
Answer:
Radioactive dating uses radioactive elements to date matter such as rocks and fossils. As the radioactive elements disintegrate, they turn into other elements. Scientist then use the ratio of the two elements to determine how old something is.
Explanation:
Answer:
A circle is a closed curved shape that is flat. ... Instead of having all points the same distance from the center point, though, an ellipse is shaped so that when you add together the distances from two points inside the ellipse (called the foci) they always add up to the same number.
Explanation:
<span>Ethylene is used to ripen crops so that all plants in a crop will ripen at the same time.
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