Which definition best describes global warming?

a long-term change in the Earth's climate
a long-term increase in the Earth's average temperature
a long-term change in the climate of a region or a city
solar heat that is radiated out into space

Respuesta :

Answer: it is b) a long term increase in the earths average temperature

Explanation:

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Answer:

The answer is B.) a long-term increase in the Earth's average temperature

Explanation: