What happened to the shells in layers 2,3,4 & 5? A) the shells present in layer 2 were not present in layers after B) the shells present went through gradual changes and were present in all C) the shells present in layer 2 were under environmental pressures to evolve rapidly D) the shells went through punctuated equilibrium & were in a phase of constant changing

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Explanation:

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 !

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.