Could someone help me on cause-and-effect

cause: meteor hits earth effect : global wasteland  

Explanation: cause and effect are opposites and the stuff are easy i'll answer one

giant meteor hits earth :

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 !

as in mitosis, dna replication occurs during interphase.   in meiosis, it occurs specifically in s phase of interphase 1.