Class 9

NATURAL RESOURCES question bank (Science)

Practice 233 free Class 9 Science - NATURAL RESOURCES questions with answers and step-by-step solutions.

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Q1.

How is our atmosphere different from the atmospheres on Venus and Mars?

(A)
Earth's atmosphere is rich in nitrogen and oxygen,while Venus and Mars have atmospheres dominated by carbon dioxide.
(B)
Earth's atmosphere is thinner than the atmospheres of Venus and Mars.
(C)
Venus and Mars have atmospheres composed mainly of nitrogen,unlike Earth.
(D)
There is no significant difference between the atmospheres of Earth,Venus,and Mars.
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Q2.

How does the atmosphere act as a blanket?

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