Consider the following statements: 

1. Kyoto protocol came into force in the year 2005. 

2. Kyoto protocol deals primarily with the depletion of the ozone layer. 

3. Methane as a green house gas is more harmful than carbon dioxide. 

Which of the statements given above is/are correct? 

(a) 1 and 2 (b) 1 and 3 (c) 1 only (d) 3 only

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