Four puppies in the same litter have different hair color than the mother dog. Which of the following processes is responsible for the variety of hair color in this litter? A.)binary fission
B.)sexual reproduction
C.) regeneration
D.)asexual reproduction​

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.