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ANSWER: from plants, plants give of oxygen that we need and we breathe out carbon dioxide(Co2) and that's what plants need
When a plant does phoyosynthesis it lets out oxygen when it is done.
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∙ 7y ago
Wiki User
∙ 12y agoIt is released by photosynthesis from ocean dwelling bacteria :)
lol its not nice to cheat on study island you know XP
Wiki User
∙ 8y agoIt is produced by plants, which use sunlight to combine water and carbon dioxide to make oxygen and sugar.
Wiki User
∙ 14y agofrom the trees on our earth
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Where does most of the air huumans breath come from?
They come from plants. It is a cycle. (Carbon Dioxide and Oxygen Cycle) When you breathe out you realse Carbon Dioxide and the plants sucks it in and relase oxygen and that is what we breathe in.
Do you breathe in or breathe out oxygen?
Humans breathe in oxygen and breathe out carbon dioxide. Trees "breathe" out oxygen.
Where does the oxygen your body needs come from?
Plants produce oxygen through photosynthesis and release it into the atmosphere where we can breathe it.
Do octopuses come to the surface to breathe?
No, they aren't a mammal like a whale or dolphin so they breathe using the oxygen in the water.
Do you breathe in oxygen?
Yes you do. See we breathe in oxygen and we breathe out carbon dioxide. Plants are the opposite. They breathe in carbon dioxide and breathe out oxygen. We give them carbon dioxide and they give us oxygen!! That's how we breathe!!!!!!!
How come there is enough oxygen left over for animals to breathe?
animals breathe oxygen, as you know, and exhale carbon dioxide. plants, trees for example, take in carbon dioxide and release oxygen. this is why there is plaenty of oxygen left for every living creature
How many percent of oxygen did you breathe?
You breathe out 16.3% oxygen.
What do you breathe when you breathe out?
Humans breathe out carbon dioxide, the whole world runs in a motion, for example plants breathe carbon dioxide, we breathe in oxygen. Even fish breathe oxygen. They take the oxygen out of the water. So we breathe in what plants breathe out and plants breathe in what we breathe out.
Where do lugs get oxygen and release carbon dioxide to?
when you breathe in, you breathe in oxygen and when you breathe out, its carbon dioxide
Do birds breathe oxygen or carbon dioxide?
birds breathe oxygen.
How do adult frogs breathe?
adult frogs come up to the surface to get oxygen then go back underwater again then when they need more they come up again
Do you breathe water?
We do not breathe in the water as we can't breathe dissolved oxygen.Dissolved oxygen are oxygen that are dissolved into the water.
