`CO_(2)` is not a poisnous gas but there is increase in concentration of `CO_(2)` in the atmosphere due to during of fossil fuels and decomposition of limestone. The increase in concentration of `CO_(2)` may lead to

Options

A. increase in photosynthesis in plants
B. higher concentration of `CO_(2)` in water
C. increase in greenhouse effect, thus raising the temperature
D. increase in formation of metal carbonates

Answer

C

Explanation

Increase in concentration of `CO_(2)` will result in increase in greenjhouse effect thus raising the temperature which might have serious consequences.