question_answer

DIRECTIONS: Read the passage(s) given below and answer the questions that follow Passage - 2 The earth is surrounded by a thin layer of air. Thin layer extends upto many kilometers above the surface of earth and is called atmosphere. Which of the following statement(s) is/are correct?

A) Atmosphere is the envelope of air that surrounds the earth.

B) Atmospheric gases contain nitrogen and oxygen.

C) Both the above are correct.

D) None of these