Which of the following is false?A. Greenhouse gases are carbon dioxide, methane, water vapour nitrous oxide `CFCs` and ozone.B. `CO` is highly poisonous to living beings because of its ability to block the delivery of oxygen to the organs and tissues.C. The troposphere contains dinitrogen, dioxygen, ozone and little water.D. The primary source of air borne lead emission is leaded petrol.

Which of the following is false?A. Greenhouse gases are carbon dioxide

1.	Which of the following is false?A. Greenhouse gases are carbon dioxide, methane, water vapour nitrous oxide `CFCs` and ozone.B. `CO` is highly poisonous to living beings because of its ability to block the delivery of oxygen to the organs and tissues.C. The troposphere contains dinitrogen, dioxygen, ozone and little water.D. The primary source of air borne lead emission is leaded petrol.
Answer» Correct Answer - C

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