Earth & Environment
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What's the difference between 12 am and 12 pm?
Could humans add/contribute oxygen to another planet (ie Mars), so that one day we could breathe/inhabit that planet?
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Can salt lose its saltiness?
Where is language in the brain?
Is it possible to grow plants on Mars?
Do atoms continue to live once a living thing dies?
How do brakes in a car work?
How do astronauts breathe in space?
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