Supongo que solo trata de probar cuál es cuál con una prueba que inventas. eso es muy confuso
cannot breathe, is not a living organism, doesn't grow doesn't move
Chorus and vocal soloists in the final movement.
~Hello there! ^_^
Your question: How often is CO2 cycled through the atmosphere?
Your answer: CO2 is cycled through the atmosphere in 350 years.
Hope this helps~
