Which of the following statements best explains why populations are unevenly distributed

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.

How do the absence of sunspots affect earth climate

Which of the following is also known as the eastern european plain and stretches from eastern poland to the ural mountains? russian plain? west siberian plain? central siberian plateu? eastern highlands?