Metabolic pathways in which cells harvest energy from food molecule in the absence of oxygen is

a. aerobic cellular respiration

b. photosynthesis

c. anaerobic cellular respiration

d. krebs cycle

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 process of living things produces water that enters the water cycle

Tom wants to conduct a scientific study but he needs to finish by the end of the school year. what practical way could tom work around this limitation and be successful in his study?