Question

define global warming​

Answer 1

$\huge{\mid{\boxed{\mathbb{\color{purple}{ANSWER}}}}\mid}$

Sudden increase in average temperature of earth is known as global warming.

Answer 2

Answer:

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

please mark my answer as brainlist