To me it looks like the answer is a because i dont remember him using that as evidence for his theory from bioligy<span />
The ocean-floor feature that is associated with trenches is a subduction zone. An oceanic trench is characterized by a narrow and very deep depression on the sea floor. This depression is caused by a subduction zone wherein two plate boundaries converge and one sinks at the bottom of the other plate, forming a thin and deep region between the two plates.
Answer:
NATO
Explanation:
NATO is an alliance between most of the Europeans countries and the US to a possible military invasion (in other words from a military invasion from Russia)
Answer:
Sediment is deposited in a river delta because the river slows down.
Explanation:
As the river slows down, it collects surrounding sediments.
I hope this helped you!