Question

What is global warming?

Answer 1

its aka as climate change btw

Step-by-step explanation:

BUT global warming is the collection of co2 and other harmful chemicals in the air thereby polluting it and creating the climate hotter

Answer 2

Global warming is the long-term heating of Earth's surface 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.