This increases by burning stuff, and also decreasing the amount of trees to change it.
Oh the answer is the Mantle, You can look at a chart and easily find the answer if you don't believe me. But here is a reasoning; Magnesium as well as Aluminum are located within the Mantle.
Species that arrive first in the newly created environment or available ecosystem are called PIONEER SPECIES
Answer D because humans can effect the way of life in an ecosystem and things like climate can effect them too
