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What is the percentage of CO2 in atmosphere. |
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Answer» Answer: approximately 0.04 PERCENTCarbon dioxide (CO2) is a colorless, odorless, incombustible gas that is vital to life on Earth. It is a NATURALLY occurring chemical compound that is present in the atmosphere. Carbon dioxide EXISTS in the Earth's atmosphere at a CONCENTRATION of approximately 0.04 percent (400 parts per million) by VOLUME. |
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