Is the water temperature of lake michigan affected by the depth of the water? what is the independent variable, dependent variable, and the control variable

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.

Match with o for organic and i for inorganic for each compound

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box