Question

Which of the following options are correct regarding given assertion and reason?

Assertion [A] : An increase in carbon dioxide in the atmosphere leads to global warming.

Reason [R] : Carbon dioxide is a greenhouse gas.

• A. A is incorrect, but R is true.
• B. A and R are true; R is the correct explanation for A.
• C. Both A and R incorrect statements.
• D. A and R are true; but R is not a correct explanation for A.

Answer 1

The correct option is B A and R are true; R is the correct explanation for A.

Greenhouse gases such as carbon dioxide prevents the escape of the heat from the earth. As the percentage of greenhouse gas increases in atmosphere, the temperature of that region also increases which leads to global warming.