Which one of the following populations begins the flow of energy through the food web?
coyotes
insects
lizards
shrubs

Why does the skin of your finger shrink when you wash clothes for a long time?

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.

What's the waste product of electrons and pyruvate combining in fermentation?