Question

what is global warming

Answer 1

Explanation:

Global warming is an aspect of climate change, referring to the long-term rise of the planet's temperatures. It is caused by increased concentrations of greenhouse gases in the atmosphere, mainly from human activities such as burning fossil fuels, and farming.

Global warming is the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.

Answer 2

Answer:

Global warming is the long term heating of earth's climate system observed since the pre - industrial period ( between 1850 to 1990 ) due to human activities, fossil burning which increase the amount of carbon dioxide in the air.

Hope it helps you...

Please mark as brainliest !