Which of the Following Statements About the Indirect Value of Trees

Which of the following statements about the indirect value of trees is not true?

A) Globally, they stabilize the climate because they take up carbon dioxide.
B) They provide shade and reduce the need for fans and air conditioning.
C) In forests, they exert a natural "sponge effect" for the provision of freshwater.
D) They break down dead organic matter and other types of wastes.
E) They retain soil and prevent soil erosion.