Calculate the tonnes of co2 in the atmosphere. use the current co2 concentration of 405 ppm. answer as tonnes as carbon.

2,0894x10¹² tonnes of CO₂ in atmosphere

Explanation:

The total mean mass of the atmosphere is 5.1480×10¹⁸ kg. CO₂ is an important race gas in Earth's atmosphere because it is part of the carbon cycle.

405 ppm of CO₂ in atmosphere means 405 mg of CO₂ per kg of atmosphere. If the mass of the atmosphere is 5.1480×10¹⁸ kg:

In tonnes:

2,0894x10¹² tonnes of CO₂ in atmosphere

I hope it helps!

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