That is very kind of you. Thanks a lot
They restricted to specific layers hope this helps
Answer:
The deepest part of the trench, Challenger Deep, lies seven miles below the ocean surface. ... When one tectonic plate dives under another, trenches are formed. The sheer depth of Mariana trench makes it hard to explore. Sunlight does not reach that far down, shrouding it in permanent darkness.nation:
Answer: industries use it to trasnport material easily
Explanation:
I'm strongly going with A on this one. I am 95% sure.
Hope it helped!