/u/fire209's posts in /r/askscience

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How long can a person stay underwater with a constant supply of air, food, and water? Are there any real limitations to staying underwater other than these? (Excluding psychological)

1 upvotes

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How are ammonite and other types of fossils helping us understand our past? What do these things show and why is it useful?

1 upvotes

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What is the effect that your argument strengthens when it faces opposition?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How long can a person stay underwater with a constant supply of air, food, and water? Are there any real limitations to staying underwater other than these? (Excluding psychological)	1
How are ammonite and other types of fossils helping us understand our past? What do these things show and why is it useful?	1
What is the effect that your argument strengthens when it faces opposition?	1