The relationship between population growth and resources can be described as
a. inverse; as one goes up the other goes down.
b. parallel; when one goes up so does the other.
c. complex, there are many contributing factors.
d. equal; they both level off in any population.

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

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.

How do living things obtain phosphorus