The main reason is that there is no atmosphere. This means that there is no weather and no weather means that there is no wind or rain. Wind and rain are main components of erosion and because there is no erosion, craters can stay preserved for a very long time.
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Answer:
The baby is a male. XY = male, XX = female.
Explanation:
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Answer:
I believe a layer deep underground would have older things, because the ground could erode over time causing the fossil to sink into the ground.
A compound that has Carbon and Hydrogen
