Cycles are essential to all living organisms. Please select the best answer from the choices provided
ОТ
OF

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.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

This is the process of making a prediction based on the results of prior observations of similar events.