What role does the animals play in primary succession?

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.

All organisms contribute some water to the water cycle by conducting