Why did the development of factories cause an increase in global carbon dioxide levels?

because of there exaust

Explanation:

i think that it is because of the fumes and smog that they realease into the air some factories realese more than others because of the things they produce and if they use some sorta heating element for there products then they need some sort of fuel which is going to realease something into the air if burned i hope this helps in some way have a good day XD

an economic of depression