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Consider the following gases: 1. Water Vapour 2. Ozone 3. M | Bhawani Baba

Consider the following gases: 1. Water Vapour 2. Ozone 3. Methane  Which of the above is/are primary greenhouse gas/gases? [A] 1 & 2 Only [B] 3 Only [C] 2 & 3 Only [D] 1, 2 & 3