Answer:
a
Explanation:
by digging up trees and stuff
Was there supposed to be a picture?
D. a new substance is formed. if it is chemical change then it is actually changing to something new. In this case a new substance is formed. It is a completely different substance from what you started out with.
Magma composition <-- Silca plays a major part in determining the form of a volcano.
~Hope this helps!
Answer:
Superposition
Explanation:
Superposition. The law of superposition states that a sedimentary rock layer in a tectonically undisturbed sequence is younger than the one beneath it and older than the one above it.
