The CO that is added up to the atmosphere due to the incomplete combustion of fuels can be decreased by the

Options

A. usage of scrubber
B. usage of electric precipitator
C. usage of catalytic convertor.
D. increasing greenery.

Answer

C

Explanation

Catalytic convertors consist of ceramic honey comb like structures with platinum catalyst spread out. The increased surface area of the catalyst provides many reactive sites where the less oxidised products like CO and NO are converted to `CO_2` and `N_2` which are released into the atmosphere.