Which of the Following Factors Would Make the Strongest Contribution

Multiple Choice

Which of the following factors would make the strongest contribution to global climate change?

A) large-scale deforestation
B) disruption of the waste recycling by decomposers
C) over-harvesting of wild species for consumptive value
D) drainage of wetlands producing a disruption of water purification
E) an increase in soil erosion leading to siltation of rivers and estuaries