Apopulation of pigs livess on an island together with burrowing termites . pigs thatbhave the longest snouts tend to survive better over time most of the pig population is amde up of individuals that have very long snouts. this is an example of which type of selection

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

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.

Glycogen is an energy-storage molecule in humans. a hormone that is called insulin controls the storage of glycogen in the liver. insulin is made up of amino acids.