Which of the Following Statements About the Physiological Responses of Plants

Which of the following statements about the physiological responses of plants to increasing temperatures and carbon dioxide levels is NOT true?

A) Many plants devote more resources to reproduction under these conditions.
B) Many plants produce flowers earlier in response to increased temperatures.
C) Many plants produce leaves earlier in response to increased temperatures.
D) The amount of nitrogen in plant tissues declines in response to increased CO₂.
E) All of the answer choices are true.