Directions : For the Assertion (A) and Reasons (R), choose the correct alternative from the following. Assertion : Over the past few decades, there has been drastic global warming. Reason : The push for economic development has increased to dangerous proportions the emission of greenhouse gases into the atmosphere.

• A. Both A and R are true and R is the correct explanation of A.
• B. Both A and R are true but R is not correct explanation of A.
• C. A is true but R is false
• D. A is false but R is true