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

frequent burning of fossil fuels due to the increase in vehicle usage globally
frequent burning of fossil fuels due to the increase in vehicle usage globally

increased levels of chlorine poured into the shorelines
increased levels of chlorine poured into the shorelines

frequent burning of fossil fuels due to the increase in vehicle usage globally