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Humidity

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Question

Hydrogen-filled balloons equipped with meteorological instruments are sent up in the atmosphere to record the weather forecasting.

A

True

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B

False

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Solution

The correct option is A True
Earlier, hydrogen filled balloons equipped with meteorological instruments were set up in the atmosphere to record the temperature, wind speed, air pressure etc. However, due to the inflammable nature of the gas, it has gradually been replaced by helium for filling weather forecasting balloons.

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Correct answer code is:

Q. Weather balloons are filled with helium because:

Why do balloons filled with hydrogen gas move up in the air?

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