How many atp are generated in the election transport chain

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 direction does the energy flow in this energy pyramid ?

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?