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Nonrenewable resources like petroleum eventually
OA) run out
OB) get conserved
OC) become renewable
OD) become sustainable

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !

the answers are a and c

sex cells are usually half's then they find another half and make a fertilize egg

i think this picture will you.