Which of the following are true regarding CO2? a. Excess of CO2 acts as a pollutant. b. Plants take in CO2 for photosynthesis. c. Deforestation leads to decrease in the amount of CO2 in air. d. Less quantity of CO2 causes rise in temperature.

Which of the following are true regarding CO2? a. Excess of CO2 acts a

1.	Which of the following are true regarding CO2? a. Excess of CO2 acts as a pollutant. b. Plants take in CO2 for photosynthesis. c. Deforestation leads to decrease in the amount of CO2 in air. d. Less quantity of CO2 causes rise in temperature.
Answer» Which of the following are true regarding $C O_{2}$ ? a. Excess of $C O_{2}$ acts as a pollutant. b. Plants take in $C O_{2}$ for photosynthesis. c. Deforestation leads to decrease in the amount of $C O_{2}$ in air. d. Less quantity of $C O_{2}$ causes rise in temperature.