most plants leaves take in more crbon as light increases. they give off carbon if light is intensliy low. the graph shows a plant carbon levels at different light intensities.

Which of the following may one conclude from a map that shows the average ph value of rainfall in the u.s.? acid rain is a more serious problem on the east coast. acid rain falls equivalently across the continental u.s. there are more factories on the west coast. the midwest has fewer forests than the rest of the u.s.