Q. |
Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?
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Q. |
Which of the following does not pollute the air?
Answer :
Nitrogen Dioxide
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Q. |
kilohertz (kHz) is a unit which measures?
A.
Power used by a current of one ampere
B.
Electromagnetic radio wave frequencies
Answer :
Electromagnetic radio wave frequencies
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Q. |
The study of heavenly bodies is known as_________?
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Q. |
Jupiter has ________ known moons.
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Q. |
In 2013, Planck measured the age of the universe at ___________?
Answer :
13.82 billion years
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Q. |
Human beings use _______ liters of pure oxygen per day.
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Q. |
The yellow colour in photochemical smog is due to the presence of____________?
Answer :
Nitrogen dioxide
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Q. |
Why normal rain is slightly acidic?
A.
due to presence of dust in air
B.
carbon dioxide and water in clouds react to form carbonic acid
Answer :
carbon dioxide and water in clouds react to form carbonic acid
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Q. |
Disolved oxygen (DO) in water should be?
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