Earth & Atmosphere

83 questions available

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Showing 81–83 of 83

Q81.Which of the following noble gases is not present in atmosphere?

Easy
A Argon
B Helium
C Radon
D Xenon
Weather PPSC

Correct Answer: C

Radon is noble gases is not present in atmosphere. Its geographic position or physical characteristics account for the description given.

Q82.Which of the statements to about the Troposphere is not true?

Easy
A It contains 85-90% of the atmosphere’s mass
B It contains nearly all the water and oxygen of the atmosphere
C It is the zone which exhibits changes in condition of weather
D It is about 350 km thick
Weather PPSC

Correct Answer: D

It is about 350 km thick is of the statements to about the Troposphere is not true. The other listed choices share the property in the question, while this choice does not.

Q83.Which part of the atmosphere are you breathing right now?

Easy
A Bathysphere
B Stratosphere
C Troposphere
D Lonosphere
Weather PPSC

Correct Answer: C

Troposphere is part of the atmosphere are you breathing right now. Its geographic position or physical characteristics account for the description given.