Official 35 Lec 4
Question 4 of 6
What did researchers notice that could be evidence of an asteroid impact in Wilkes Land?

A.

A ring of ice containing a high concentration of oxygen

B.

A portion of Earth’s crust that is less dense than normal

C.

Extraterrestrial rock fragments lying below the ice

D.

Relatively high gravity measurements in the center of a circular ridge

正确答案:D

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