What do you think accounts for the difference in the way the objects fall in each situation? Explain

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.

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Answer now! good pts and a brainliest potatoes are what im like a potatoe irdk have a good day