Can someone help me with this?

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.

Which question did the author of how to grow a school garden consider about the audience before writing the project plan

The action of eventually a low island to form. a. wind b. waves c. volcanoes d. tectonic plates