Podcast
Questions and Answers
What percentage of the Earth's atmosphere is made up of oxygen?
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?
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?
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?
What would happen to our breathing if the Earth's oxygen disappeared for 5 seconds?
What would be the outcome for plants, animals, and humans if oxygen disappeared forever?
What would be the outcome for plants, animals, and humans if oxygen disappeared forever?
What would happen to our ears if the oxygen in the air suddenly disappeared?
What would happen to our ears if the oxygen in the air suddenly disappeared?
What percentage of the Earth's crust is made up of oxygen?
What percentage of the Earth's crust is made up of oxygen?
What would happen to the sky if the oxygen in the air suddenly disappeared?
What would happen to the sky if the oxygen in the air suddenly disappeared?
What would happen to non-electric vehicles if the oxygen in the air suddenly disappeared?
What would happen to non-electric vehicles if the oxygen in the air suddenly disappeared?
What percentage of the air do we breathe is made up of oxygen?
What percentage of the air do we breathe is made up of oxygen?
What would be the immediate consequence of losing oxygen in the air?
What would be the immediate consequence of losing oxygen in the air?
Why would planes fall from the sky if oxygen disappeared?
Why would planes fall from the sky if oxygen disappeared?
What would be the effect on the sun's UV rays if oxygen disappeared?
What would be the effect on the sun's UV rays if oxygen disappeared?
What would happen to fire if oxygen disappeared?
What would happen to fire if oxygen disappeared?
Why would the Earth's crust crumble if oxygen disappeared?
Why would the Earth's crust crumble if oxygen disappeared?
