Which one of the following statements is not valid for aerosols?

Options

A. They are harmful to human health
B. They alter rainfall and monsoon patterns
C. They cause increased agricultural productivity
D. They have negative impact on agricultural land

Answer

C

Explanation

Aerosols can cause various problems to agriculture through its direct or indirect effects on plants. However continually increasing air pollution may represent a persistent and largely irreversible threat to agriculture in the future.