How many degrees does each small line represent on the thermometer?

Rotenone is an insecticide that is toxic

The picture shows a fishing technique called trawling. how might trawling affect marine biodiversity

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.