Which of the following are the functions of the atmosphere?

1. Facilitates the cyclic exchange of gases
2. Maintain of optimum temperature
3. Protects the earth from harmful solar radiation
4. All of the above.

The decrease in the temperature is known as the:

1. Normal temperature rate
2. Decreased temperature rate
3. Normal lapse rate
4. Decreased lapse rate

Assertion (A): The troposphere is heated more from below than from above.

Reason (R): The troposphere is heated by the incoming solar energy.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

Which amongst the following is not a direct impact of Global Warming?

1. Precipitation Change
2. Radiation Balance
3. Rise in Sea Level
4. Diseases