Select the best answer. Which statement is true about all convection currents?(

Question

Select the best answer. Which statement is true about all convection currents?(

A. It results to formation of valleys and hills.

B. It happen in all layers of the Earth.

C. It is made possible by heat and pressure.

D. It causes earthquakes.

Answer 1

C. It is made possible by heat and pressure.

Answer 2

Select the best answer. Which statement is true about all convection currents?(

C. It is made possible by heat and pressure.

B. It happens in all layers of the Earth.