What Most Explains the Flux of Carbon Dioxide into the Atmosphere

Question

What most explains the flux of carbon dioxide into the atmosphere from 1960 to present?
A) Deforestation
B) Livestock
C) Fossil fuel combustion
D) Changes to the carbon, nitrogen, and phosphorus cycles

Accepted Answer

Fossil fuel combustion has been the main contributor to the increase in carbon dioxide levels in the atmosphere since the 1960s. This is due to the burning of fossil fuels for energy and transportation, which releases large amounts of carbon dioxide as a byproduct.