If shelter wood cutting occurs regularly in a large forest, what would be the result after five years? O a completely bare forest with no tree growth
O a standing forest with both mature and younger trees
a similar sized forest with a majority of unhealthy trees
O a smaller forest that has only saplings and young trees

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 are some characteristics of a free enterprise economy?

Why are common names a problem for scientist?