Consider the following two statements, one labelled as the Assertion (A) and other as Reason (R). Examine these two statements carefully and select the correct answer by using the codes given below:
Assertion (A): The planet Neptune appears blue in colour.
Reason (R): The presence of Methane gas in the atmosphere of Neptune is responsible for its colour.

Options

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 the correct explanation of A.
C. A is true, but R is false.
D. A is false, but R is true

Answer

A

Explanation

The planet Neptune appears blue in colour. The presence of methane gas in the atmosphere of Neptune is responsible for its colour. Neptune is the eighth and farthest planet from the Sun in the Solar System. It is the fourth largest planet by diameter and the third largest by mass. Among the gaseous planets in the solar system, Neptune is the most dense. Neptune is 17 times the mass of Earth.