D. Appalachia would be the poorest
Answer:
This consists of pebbly beds associated with ancient blown sands, sometimes of considerable thickness. Above this series of deposits comes the Head or Rubble Drift, formed during a greater elevation of the land.
I believe the answer is D. The NASA mission which sent a probe to collide with a comet's nucleus is the Deep Impact. It is the first mission sent in order to see the interior of a comet. The comet that was aimed was called the Comet Tempel 1.
Answer:
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