Why can diamonds form in the mantle? a. the weight of the rocks above the mantle results in high pressure. b. the weight of the rocks in the outer core results in high pressure. c. the weight of the rocks in the outer core increases the temperature. d. the sun and moon cause a low pressure in the upper mantle?

The answer in this question is A the weight of the rocks above the mantle results in high pressure.The reason why diamond form in the mantle is that the weight of the rocks in the crust and upper mantle results in the pressure that allows the diamonds to form. 

Europe needs to build a trump-like wall that will spread across europe making it impossible for migrants to cross they need to spread pig guts all over this wall so the muslims will never consider crossing into europe..you might be asking "can't they just fly over with planes? " well yes they can so we will install thaad missile protections system to shoot down any aircraft that violates europe's air fourth would be to start a fourth reich in germany.. last but not least.. make europe great again!