14.29 Read the following statements carefully. Select the incorrect statement.
(a) Besides carbon dioxide, other greenhouse gases are methane, water vapour, nitrous oxide, CFCs and ozone.
(b) Methane is produced naturally when vegetation is burnt, digested or rotted in the absence of oxygen.
(c) Large amounts of methane are released in paddy fields, coal mines, from rotting garbage dumps and by fossil fuels.
(d) Methane are man-made industrial chemicals used in air conditioning etc.
14.29 Read the following statements carefully. Select the incorrect statement.
(a) Besides carbon dioxide, other greenhouse gases are methane, water vapour, nitrous oxide, CFCs and ozone.
(b) Methane is produced naturally when vegetation is burnt, digested or rotted in the absence of oxygen.
(c) Large amounts of methane are released in paddy fields, coal mines, from rotting garbage dumps and by fossil fuels.
(d) Methane are man-made industrial chemicals used in air conditioning etc.
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1 Answer
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(d) Chlorofluorocarbons (CFCs) are man-made industrial chemicals used in air conditioning etc.
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