When a person does strenuous exercise, small blood vessel’s near the surface of the skin increase in diameter. this allows the body to be cooled. characteristic of life does this best illustrates? a) excretion b) homeostasis c) adaptation

When organisms are classified ,they are given a two part name

What are charcteristics of lithosphere?

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.