Question

what is global warming​

Answer 1

Global warming, the gradual heating of Earth's surface, oceans and atmosphere, is caused by human activity, primarily the burning of fossil fuels that pump carbon dioxide (CO2), methane and other greenhouse gases into the atmosphere. ... Already, global warming is having a measurable effect on the planet.

hope it helps

Answer 2

Answer:

The heating of earth due to high temperature.

Explanation:

It occurs due to increasing amount of carbon dioxide,

deforestation,use of chloroflurocarbons and burning pf caol ,petroleum etc.