Photosynthesis and respiration affect atmospheric CO₂ levels on a _____ timescale, whereas volcanic eruptions affect atmospheric CO₂ levels on a _____ timescale.

Question

Quizplus · Accepted Answer

Photosynthesis and respiration occur annually and have a continuous impact on atmospheric CO₂ levels. Volcanic eruptions are sporadic events that can have a significant impact on atmospheric CO₂ levels, but their effects typically last for several years to a century.

Photosynthesis and Respiration Affect Atmospheric CO2 Levels on a _____

Photosynthesis and Respiration Affect Atmospheric CO₂ Levels on a _____