Look at the picture below. Plant 2 has longer roots than Plant 1. The longer roots may give Plant 2 an advantage because long roots A. will keep the plant from growing very tall. B. can help the plant reach more water. C. help the plant get more sunlight. D. will keep animals from eating the plant.

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 drives an advertising campaign?

Explain how scientists use geologic time to determine the age of landforms.