When water gathers in lakes, seas or oceans what do we call that? ?

Where is the vascular system located

What did the pattern of earthquakes in the wadati-benioff seafloor zones show scientists? a.) earthquakes occur where the ocean floor reaches its highest temperatures. b.) many earthquakes take place 700 kilometers below the seafloor. c.) slabs of ocean floor return to the mantle in subduction zones. d.) ocean - trenches cause earthquakes.

What is an additional type of erosion found at the coast? what does it mean?