Please accurately answer these questions

1. In which layer of Earth's atmosphere humans live
2. What are the most common gases in the Earth's atmosphere
3. Which layer that atmosphere contains the ozone layer
4. Some aliens are planning to destroy Earth's atmosphere. Write two things that would happen, if the earth's atmosphere vanished
5. Is it possible to find a aeroplane 500 km (200 miles) above Earth's surface
6. You are flying in a hot air balloon. Will you need an oxygen mask?
7. Some chemicals released by human activities, causes depletion of ozone layer. Why is it important to protect ozone layer?

Keep a middle school student vocabulary are answer the questions with only 1 sentence (2+ if extremely necessary)

1 answer

Sure! Here are the answers:

  1. Humans live in the troposphere, which is the lowest layer of Earth's atmosphere.
  2. The most common gases in Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
  3. The ozone layer is found in the stratosphere, which is the second layer of the atmosphere.
  4. If Earth's atmosphere vanished, there would be no air to breathe, and the planet would become uninhabitable due to extreme temperatures and radiation from the sun.
  5. No, it is not possible to find an airplane 500 km (200 miles) above Earth's surface, as that is far above the altitudes where aircraft can safely fly.
  6. Yes, if you are flying in a hot air balloon at high altitudes, you might need an oxygen mask due to lower oxygen levels.
  7. Protecting the ozone layer is important because it helps shield the Earth from harmful ultraviolet (UV) radiation, which can cause skin cancer and damage to ecosystems.
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