Question

Increase in ___________ allows more water to evaporate.

• A. humidity
• B. carbon dioxide
• C. temperature
• D. both A and B

Answer 1

The correct option is C

temperature

The increase in temperature allows more water to evaporate.Plants transpire more rapidly at higher temperatures because water evaporates more rapidly as the temperature rises. At ${32}^{\circ }$C, a leaf may transpire three times as fast as it does at ${18}^{\circ }$°C.