What part of the plant has the most chloroplsts?

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 would happen if the krill were removed from the food web

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.