What If Earth Lost Oxygen for 5 Seconds?
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Questions and Answers

What percentage of the Earth's atmosphere is made up of oxygen?

  • 78%
  • 51%
  • 21% (correct)
  • 35%
  • What would happen to concrete structures if the Earth's oxygen disappeared for 5 seconds?

  • They would remain unaffected
  • They would dissolve in water
  • They would become stronger
  • They would instantly collapse (correct)
  • What is the role of oxygen in metals?

  • It adds color to the metals
  • It makes them magnetic
  • It prevents them from melting
  • It creates a layer of oxidation to prevent them from welding together (correct)
  • What would happen to our breathing if the Earth's oxygen disappeared for 5 seconds?

    <p>Our breathing would remain normal</p> Signup and view all the answers

    What would be the outcome for plants, animals, and humans if oxygen disappeared forever?

    <p>They wouldn't be where they are today</p> Signup and view all the answers

    What would happen to our ears if the oxygen in the air suddenly disappeared?

    <p>They would explode due to the drastic change in air pressure</p> Signup and view all the answers

    What percentage of the Earth's crust is made up of oxygen?

    <p>45%</p> Signup and view all the answers

    What would happen to the sky if the oxygen in the air suddenly disappeared?

    <p>It would become darker</p> Signup and view all the answers

    What would happen to non-electric vehicles if the oxygen in the air suddenly disappeared?

    <p>They would come to a complete stop</p> Signup and view all the answers

    What percentage of the air do we breathe is made up of oxygen?

    <p>21%</p> Signup and view all the answers

    What would be the immediate consequence of losing oxygen in the air?

    <p>The air pressure would drop drastically</p> Signup and view all the answers

    Why would planes fall from the sky if oxygen disappeared?

    <p>Because combustion engines would no longer function</p> Signup and view all the answers

    What would be the effect on the sun's UV rays if oxygen disappeared?

    <p>They would be stronger due to the lack of oxygen</p> Signup and view all the answers

    What would happen to fire if oxygen disappeared?

    <p>It would no longer be possible</p> Signup and view all the answers

    Why would the Earth's crust crumble if oxygen disappeared?

    <p>Because oxygen is a crucial component of the Earth's crust</p> Signup and view all the answers

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