What If Earth Lost Its Atmosphere?

What are some of the main gases that make up Earth's atmosphere?

• Nitrogen, Oxygen, Carbon Dioxide, Water Vapour, Ozone

• Hydrogen, Helium, Methane, Ammonia

• Sulfur Dioxide, Argon, Neon, Krypton

• Chlorine, Fluorine, Bromine, Iodine

Which of the following is a correct layer of Earth's atmosphere?

• Hydrosphere

• Lithosphere

• Mesosphere

• Biosphere

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What would be one immediate consequence if Earth lost its atmosphere?

• The sky would remain blue all the time.

• Sound would travel faster.

• The sky would appear completely dark, even during the day.

• The Earth's temperature would immediately rise significantly.

Without an atmosphere, what would happen to Earth's temperature and water?

• The temperature would rise, and water would evaporate.

• The temperature would drop to -18°C, and water would boil then freeze.

• The temperature would remain stable, and water would stay liquid.

• The temperature would fluctuate wildly, and water would turn into gas.