What major factors play role in global warming

Pollution is on of the major factors of global warming.Little things can make this situation worse.Global warming is called by burning fossil fules whic releases CO² pollution into the air

Desforestation also play's a big part in global warming, tree's keep the air clean but with people cutting down tree's to make houses destroyes the air basicly.

Farming plays a part aswell, livestock prouduces methane which is a green house gas. Methane is bad for the air.

answer; i believe the correct answer is (solid gold);

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance