Question

Question 11 (1 point)

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We see relatively few craters on the surface of the Earth. Why?

Question 11 options:

a)

Few large objects have actually hit the Earth to create craters

b)

Planetary Differentiation

c)

Plate tectonics has renewed the surface of the Earth

d)

All space objects that have hit the Earth did so while the surface was still molten

Answer 1

Answer:

Option c)

Explanation:

There are two principle explanations behind the low number of craters on the surface of the Earth and these are:

One is that most meteoroids are burnt by the atmosphere of the Earth before they arrive at the surface.  

The other explanation is that Earth's surface is ceaselessly dynamic and eradicates the characteristics of craters after some time.

Wind and downpour rapidly dissolve craters and plate tectonics covers them.