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.
Hope this helps!!
Answer:
Option B, 
Explanation:
Given-
The average surface area of one foot pad of an elephant is

Weight of an Asian elephant is
newton
As we know, pressure is equal to total weight divided by total area of the surface on which it is concentrated.
Thus, pressure on one foot pad of elephant is 

Hence, option B is correct answer
Clusters of flowers are called infloresence. I hope this helped!:)
This hormone is called Estrogen :) other big changes are from Human Growth Hormone, but Estrogen is the most predominant female hormone.
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Answer:
an idea that can't be proven but can explain some phenomena
Explanation:
sorry if I am wrong