Question

What is the
primary source of global warming​

Answer 1

Answer:

Natural forcings. As the Sun is the Earth's primary energy source, changes in incoming sunlight directly affect the climate system.

Explanation:

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Answer 2

Answer:

carbon dioxide

Explanation:

because you may know the mechanism by which glass house work . it's traps sun's heat and does not allow it go out.best example for this is when you park a car outside and after an hour if u come and sit in the car you feel very hot this is due to that glass allow the heat to come inside the car but it does not allow it go out.

in the same way co2 acts as the glass around the earth which allows the heat to come inside but does not allow it to go out. so increse co2 leads to increase in global warming. and some other gasses also contribute to this.