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Plants do produce carbon dioxide, however, the amount they produce is generally a net NEGATIVE amount.

Plants, like all carbon based life forms known to date produce carbon dioxide as they use energy for biological work. This is part of the normal functioning of cells that they require oxygen in order to do this work, during which they are consuming oxygen and sugars, bonding carbon with oxygen in the process creating carbon dioxide. If they did not do this, they could not grow, and could not repair damage.

HOWEVER, plants also take in carbon dioxide and use it combined with light energy in photosynthesis. This process separates the carbon and oxygen molecules, and the carbon is utilized in the preparation of stored energy ("food"). The oxygen molecules are released into the atmosphere.

In a healthy plant through the bulk of its life, the plant produces more oxygen and removes more carbon dioxide than it uses oxygen and produces carbon dioxide.

Exact amounts will vary based on available light, plant species, water, atmospheric condition and overall health of the plant.

In >general< the more green you see on the plant, the more of the plant involved in photosynthesis and the more oxygen it produces. however, this does not tell you how much oxygen it uses (and thus how much carbon dioxide it produces). but in general, plants (and other chlorophyll laden life forms) consume more carbon dioxide than they create.

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βˆ™ 13y ago
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βˆ™ 12y ago

Yes, plants emit carbon dioxide at night and when they die. Plants emit carbon dioxide and they also capture it again. Plants, along with forests and other kind of vegetation and the world's oceans, emit 97% of the global carbon dioxide emissions. But not only do they emit carbon dioxide, they also capture it. This natural process is called the Carbon Cycle.

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βˆ™ 5mo ago

Plants do not emit carbon dioxide as part of their natural metabolic processes. Instead, they take in carbon dioxide during photosynthesis and release oxygen as a byproduct.

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βˆ™ 13y ago

Yes at night

. . . no, not at night. They release carbon dioixide when they die. Otherwise, they only release oxygen.

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βˆ™ 13y ago

Yes they do because they need it for photosynthesis. They take in the carbon dioxide we release and give us oxygen back.

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βˆ™ 13y ago

No, plants absorb carbon dioxide from the air.

Carbon Dioxide is one of the requirements for photosynthesis.

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βˆ™ 14y ago

yes, half the dry weight of wood is carbon, they store it as it is a major component of their cells/ timber

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βˆ™ 11y ago

Plants absorb CO2 and give out O2 through photosynthesis

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βˆ™ 13y ago

They don't store it.

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Q: Do plants emit carbon dioxide
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