This is the main human activity that contributes to global warming.

(1 point)
Responses

massive dumping of pesticides into the world’s oceans
massive dumping of pesticides into the world’s oceans

high demand and depletion of the world’s oil supply
high demand and depletion of the world’s oil supply

burning of fossil fuels
burning of fossil fuels

increase of levels of chlorine poured into the shorelines

The correct answer is: burning of fossil fuels