In a span as short as a human lifetime, the amount of carbon dioxide in the atmosphere can change as plants consume the gas for photosynthesis and as animals breathe it out during respiration.
(the amount of carbon dioxide in the atmosphere; can change; T:as plants consume the gas for photosynthesis and as animals breathe it out during respiration; L:In a span as short as a human lifetime) (plants; consume; the gas) (animals; breathe out; T:during respiration)
the amount of carbon dioxide in the atmosphere plants animals
can change consume breathe out
T:as plants consume the gas for photosynthesis and as animals breathe it out during respiration L:In a span as short as a human lifetime
the gas
T:during respiration