Which of the following is least likely to be an effect of global warming?

A. Increased frequency of hurricanes

B. Loss of fertile delta region as for agriculture

C. Decreased rate of photosynthesis in vegetation

D. Shrinking of the polar ice regions

Answer: Option C

Solution(By Examveda Team)

Decreased rate of photosynthesis in vegetation is least likely to be an effect of global warming. Carbon dioxide warms the Earth because it is a greenhouse gas in the atmosphere, but it also causes plants to provide less evaporative cooling.