When air gets warm does it sink or rise?

the answer is c) an oak tree

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

enzyme speed up the reactions

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.