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What is the one most astonishingly dumb things that, as a child, you believed was absolute truth? (lemmy.ml)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/[email protected]

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I dont remember the age, but it was before Kindergarten, thought men came into the house at night to load the next days shows into the TV.

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[–] [email protected] 5 points 1 year ago (1 children)

Yup, and food is made almost entirely out of carbon dioxide and water.

[–] [email protected] 1 points 1 year ago (1 children)

Uh, pretty sure we add the oxygen when we eat the food.

Plants eat CO2

[–] [email protected] 2 points 1 year ago (1 children)

Yeah, so the plants turn carbon dioxide and water into cellulose and water mostly, herbivores digest the cellulose into protein and carbohydrates we can eat, we eat them and turn that protein and carbohydrates into our bodies and energy using oxygen, back into carbon dioxide and water and expel it. It's the carbon cycle.

[–] [email protected] -1 points 1 year ago (1 children)

Right. But CO2 isn’t in the food like you said above. We make it into CO2 when we use the energy.

[–] [email protected] 3 points 1 year ago (1 children)

Are you thick? The food is made into food by plants from it.

[–] [email protected] -1 points 1 year ago* (last edited 1 year ago) (1 children)

When plants undergo photosynthesis, they break the oxygen off the CO2 molecule and create carbohydrates. At this point, the CO2 molecule ceases to be. So to say that there is CO2 in food is incorrect. Our bodies recreate the CO2 when recovering energy from those carbohydrates.

[–] [email protected] 2 points 1 year ago* (last edited 1 year ago) (1 children)

I said food was made from carbon dioxide and water, and repeatedly explained the process I was referring to. I never once said carbon dioxide was "in" food, although even if I did I don't think it is this easy to misunderstand what I'm saying.

[–] [email protected] -2 points 1 year ago

You said it’s made “of” carbon dioxide, not “from” carbon dioxide. Different prepositions carry very different meanings in this context.

I’m glad we agree on the process. Your initial statement was imprecise and led to confusion.