Living things that feed on other organisms to get energy are called vegetarian producers vegan consumers

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.

What substance acts to prevent sudden ph changes in bodily fluids?

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?