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Q)

Identify the correct statement

$(a)\;\text{Plants and seawater are receptors of }CO_2\\(b)\;\text{Micro organisms acts as sink for dead plants and animals}\\(c)\;\text{Micro isocyanate and DDT are contaminants}\\(d)\;Pb,Hg,CO_2\;SO_2\;\text{are pollutants}$

• Plants and seawater are receptors of $CO_2$
• $CO_2$ is not a pollutant. $CO_2$ is a gas that has played an enormous role in the development and sustainability of all life on this Earth.