Earth's Lost Atmosphere

What is one crucial function of Earth's atmosphere?

• Generating Earth's magnetic field.

• Protecting from asteroids and solar radiation.

• Causing sound waves to travel faster.

• Preventing water from freezing.

What would be the immediate effect on sound if Earth's atmosphere disappeared?

• Sound would become louder due to less resistance.

• Sound waves would travel faster.

• There would be no sound at all.

• Only high-pitched sounds would be audible.

What would happen to Earth's water bodies without atmospheric pressure?

• They would immediately freeze solid.

• They would start boiling away.

• They would become highly acidic.

• They would remain unchanged for a long time.

How long could a human survive without an atmosphere if they exhaled immediately?

• Approximately 15 seconds before becoming unconscious.

• About 3 minutes before dying.

• Several hours with proper hydration.

• Indefinitely, if wearing a pressure suit.