Which of the following statements are correct? A. Ocean is sink for $CO_2$ B. Greenhouse effect causes…
Which of the following statements are correct?
A. Ocean is sink for $CO_2$
B. Greenhouse effect causes lowering of temperature of earth’s surface.
C. To control $CO$ emission by automobiles, usually catalytic convertor are fitted into exhaust pipes.
D. $H_2SO_4$, herbicides and insecticides form mist.
C and D
A and B
B and D
A and D
Solution
Ocean absorb $CO_2$ via photochemical and biological process. (4) is also correct.