Asked by the

Which action is the primary cause of air pollution?(1 point)
Responses

the depletion of the ozone layer
the depletion of the ozone layer

the burning of fossil fuels
the burning of fossil fuels

the runoff of oil and chemicals during storms
the runoff of oil and chemicals during storms

the runoff of pesticides and fertilizer from farms
Answered by GPT 3.5
the burning of fossil fuels