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: The acceleration of that object
Explanation:
It is a controlled experiment as everything is the same apart from one variable
Answer:
Its D
Explanation:
you might think A but that does not apply to both only digestive
