Question

what does global warming means?​

Answer 1

Answer:

global warming is the unusually rapid increase in the temperature of the earth over the past century due to greenhouse gases

Answer 2

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.