atmosphere general quiz

In recent times, an increase in summer temperatures has been observed year after year. What is the main reason for that?

• global warming phenomenon

• Natural climate cycles

• Solar radiations

• Volcanic activities

Global warming causes …….

• major changes in climate

• melting polar ice

• rising sea levels

• All the above

............... is defined as the continuous rise in the temperature of the air surrounding the Earth's surface due to the pollution of air

• Thermal equilibrium

• Thermal activity

• Global warming

• Greenhouse gases

From the solutions to air pollution and climate change:

• expand the use of renewable energy

• planting

• reduce the use of chlorofluorocarbons

• all the above

why the Earth retains its gaseous envelope?

As the effective velocity of the gas molecules is …………….. the escape velocity from the planet's gravity.

• less than

• greater than

• equal to or greater than

• equal to or less than

The most abundant gas in Earth’s atmosphere is:

• Oxygen

• Argon

• Nitrogen

• Carbon dioxide

Oxygen gas represents about ……. of the volume of Earth’s atmosphere.

• 0.04 %

• 0.93 %

• 21 %

• 78 %

Argon gas represents about …….. of the volume of Earth’s atmosphere.

• 0.04 %

• 0.93%

• 21 %

• 78 %

Carbon dioxide gas represents about …….. of the volume of Earth’s atmosphere.

• 0.04 %

• 93%

• 78%

• 21%

…………. is a component of the atmosphere where its percentage varies in the near layer of the atmosphere, and plays an important role in weather and climate phenomena.

• Carbon dioxide

• Oxygen

• Water vapor

• Nitrogen