Question

how human activities leads to global warming?

Answer 1

The primary way humans cause global warming by burning fossil fuels. This increases the amount of carbon in the atmosphere, which leads to an increase in the Green house effect.

Answer 2

Answer:

The following three human activities (anthropogenic activities) can increase carbon dioxide in the atmosphere:

1. Burning of fossil fuel, like coal, for generation of electricity or for factories purpose emit large quantities of CO2

2. Fumes from the vehicles contribute to the increase in the CO2 levels

3. Deforestation to acquire land for agriculture and urbanization leads to increase in CO2 levels as plants absorb that gas.