The experiment was set up to test the hypothesis that plants grow faster in green light. The same amount of water and fertilizer were added to each pot. Which action would improve the experiment? A use different parts

B add more types of plants

C use plant food

D use the Same kind of plants in all trials.

Which property is used to identify the origin of an igneous rock? color density hardness crystal size

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.

Why is it incorrect to say that mitochondria function only as energy factories with cell