Answer: I believe the answer would be C -- Changes observed in seismic wave data.
Explanation:
Geologists use rock samples as direct evidence about earth's layers, and they use seismic waves as indirect evidence to study the Earth’s structure.
I hope this helps!
Answer:
R is an abbreviation for radical, when the term radical applied to a portion of a complete molecule (not necessarily a free radical), such as a methyl group.
Answer: poaching and habitat loss
Explanation: succession and extinction quiz