Question

what is carbondioxide

Answer 1

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Carbon dioxide (CO2) is an odorless, non-flammable gas composed of one atom of carbon and two atoms of oxygen. Carbon dioxide is the bi-product of the combustion of fossil fuels and also of almost all living cellular respiration.

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Answer 2

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• The main source of CO2 for the plant is the atmosphere which contain 0.03% of CO2 .

• CO2 is the measure limiting factor for photosynthesis.

• Increase in CO2 concentration relatively increase the rate of photosynthesis .

• The increase in CO2 to about 1% is generally advantatious to most of the plant.

• But higher concentration of the gas (CO2) has an inibetry effect on photosynthesis.