ul plahet: Too hot for (iquid water to eyist, many fea Hot, large planet: Too ho

Question

ul plahet: Too hot for (iquid water to eyist, many fea Hot, large planet: Too ho- (iquid water Dr 17. Which category of planet (from #16) should hav e the greatest extent of erosion feature edrum temp, lavge planet 18. a. why does Earth have more erosion features than Venus? b. can small planets like Mercury have many erosion features? Why? c. why does Mars have fewer erosion features than Earth? To summarize: there are really two major factors that determine the surface evolution of te planets---size and surface temperature. 19. a. can a large planet have many impact craters long after it formed? Why? No, tectoni c b. why does Venus have relatively few impact craters? Most cratershave been e c. how do the surfaces of Venus and Earth differ cund volcanic feodures venus has fewer erosion features than earth, 20 . teh hne nf nanet (from #16) do you think would have a significant number of surface

Explanation / Answer

18)

A)

Venus lack water and its surface is mostly unimodal elevation. Whereas earth's surface is just opposite. That's why earth have more erosional features

B)

Yes because Mercury is so close to earth and due to its slow rotaion, during day temperature will be 430 degree Celsius and during nigh -280 degree Celsius.

This huge variations in temperature causes erosion.

Also since Mercury have no atmosphere, meaterorite get easily strike in to Mercury surface with out burn off

C)

Since there is no presence of liquid water, unlike earth mars have less erosion features.

Its main erosion agent is wind. Also mars have high rotion speed which causes less temperature variations. This will reduce erosion.

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