Help Quick In the formation of metamorphic rocks, what effect do temperature and pressure primarily have?

A:They erode rocks.
B:They create layers.
C:They make rocks smaller.
D:They change existing minerals.
HURRY PLEASE!!!

Explain why you think this diagram shows what happened to the carbon in the biodome.

Which composition of water moves to begin a deepwater current?

What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.