How are burning of fossil fuels and volcanic eruptions similar with respect to their effects on the carbon cycle?
Both add carbon to the atmosphere.
What does not produce carbon dioxide? (Burning Fossil Fuels/Animal respiration/Photosynthesis/Plants decaying)
Photosynthesis
Why is the carbon cycle important?
It continuously reuses and recycles carbon in the ecosystem, enables energy flow throgh ecosystem, maintains the correct concentration of CO2 in atmosphere