Tell me the dept of the mesosphere (beginning and ending altitude) only answer if you know it

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.

answer///(c) the maximum number of organisms an environment can support for a long time; i believe this is correct, plz check luck;