Plz, answer quickly.
the diagram shows two plants. they are the same kind of plant, and they were grown in the same environmental conditions.
which statement best explains the difference in growth among the plants?

plant x has too much auxin.
plant y has too much auxin.
plant x does not have enough auxin.
plant y does not have enough auxin.

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.