Answer:
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:
[tex]\frac{405mg CO_2}{1kg atmosphere} * 5,1480x10^{18} kg Atmosphere = 2,0849x10^{21}mg CO_2[/tex]
In tonnes:
[tex]2,0849x10^{21}mg CO_2 * \frac{1kg}{1x10^{6} mg} * \frac{1 tonne}{1000 kg} =[/tex] 2,0894x10¹² tonnes of CO₂ in atmosphere
I hope it helps!
