What was the primary cause of the growth in emissions that results in global warming? a.) human activity b.) mining operations c.) melting ice caps d.) cars

B. cars  Human activities, such as the burning of fossil fuels and changes in land use, release large amounts of CO2, causing concentrations in the atmosphere to rise.The current CO2 level is higher than it has been in at least 800,000 years.

it’s a, human activity

heat from the core of the earth causes convection currents to occur in the mantle. these currents slowly move the crust around.