Answer:
did you get the answer?
Explanation:
i doing the test right now?
The soil layers are, in order: dirt, humus, rock. So the answer is D.
it is the benthic zone , that's the answer
Answer:
Different periods of the geologic time scale are different in length. ... The time scale was developed ad hoc, as a relative time scale based on rocks and fossil succession with no reference to absolute time when it was developed.
