Which conclusion can be drawn based on the sedimentary rock diagram below? a. trilobites are younger than clams. b. snails and clams evolved into mammals. c. all species once lived on land. d. biodiversity increased with time.

c  is one possible answer

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 !