It is observed that the human population keep increasing significantly and it began to increase noticeably around 10,000 years ago.The greatest factor of this increase is the rapid development of the agricultures in lands, as well as the domestication of animals. These are the reasons why population increases at that time.
D is the correct answer since all others are highly unlikely.
It would be B.pyramid of numbers
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By low temperature, it can melt. High pressure will raise the melting point of the rock.
I think it would be C because they are carnivores