1.

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 essential for plants.
B. Atmosphere is essential for human beings.
C. Atmosphere is essential for life.
D. None of these
Answer» D. None of these


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