Ablastula is
a. a digestive organ.
b. the innermost germ layer.
c. a layer of embryological tissue.
d. a hollow ball of cells in an embryo.

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 !

c should be the answer

thats not a question

answerconditioned response;