DIRECTIONS: The following question consist of two statements. Statement I and Statement II. You are to examine these two statements carefully and select the answers to this question using the code given the low: [NDA/NA 2014-I] Statement I: The decrease of air temperature with increasing altitudes in the atmosphere is called the vertical temperature gradient. Statement II: In Troposphere, air temperature decreases with increasing altitude due to radiation from the Earth.

• A.  Both the statements are individually true and Statement II is the correct explanation of Statement I
• B.  Both the statements are individually true but Statement II is not the correct explanation of Statement I
• C.  Statement I is true but Statement II is false
• D.  Statement I is false but Statement II is true