How many countries are there in the world

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

At which point on the diagram do convection currents occur to drive plate movement?

Scientists think that convection currents flow in earth’s a. continents. b. mantle. c. lithosphere. d. inner core.