/u/HAL9000000's posts in /r/askscience

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Hypothetically, if all of the plants in the world died, would humans and other animals die too due to lack of oxygen?

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Is caffeine added artificially to soft-drinks, or is it naturally in colas, Mountain Dews, etc...? Why do soft-drink companies add caffeine? Does it have a taste that adds to the drink?

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Why can't car makers construct a car that is resistant to "flood damage?"

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Why is it that fish won't eat dead bait? Do they just not like the taste of it? Do they have the intelligence to get suspicious that the dead bait is on a hook?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Hypothetically, if all of the plants in the world died, would humans and other animals die too due to lack of oxygen?	1
Is caffeine added artificially to soft-drinks, or is it naturally in colas, Mountain Dews, etc...? Why do soft-drink companies add caffeine? Does it have a taste that adds to the drink?	0
Why can't car makers construct a car that is resistant to "flood damage?"	0
Why is it that fish won't eat dead bait? Do they just not like the taste of it? Do they have the intelligence to get suspicious that the dead bait is on a hook?	0