What is an effect of ocean and freshwater dumping?

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.

Seafood watch is a program that identifies sustainably harvested, ocean friendly seafood in order to

Where the main factor that enabled the growth of cities and civilizations was the existence of