D. exhausting a natural resource is not sustainable
The correct option is LOESS.
Loess refers to a compacted yellowish deposit of wind blown sediments which is usually found extensively in the mid latitudes. Loess is formed by the accumulation of dust that had been blown by the wind. Scientists believed that about 10% of the earth's land area is covered by loess.<span />
The answer is: St. Lawrence River .
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C)Dodo birds and caribbean monk seals
Why? Dodo birds give it away, Dodo birds was hunted to extinction because there was no competition of where they lived for their coats and it was very easy to hunt them since they had no self defense.
It looks like you should draw where the moon is orbiting the earth and wheee the earth is relative to the sun during that tide.