Question

Which definition best describes global warming?

A. A long-term change in the Earth's climate
B. A long-term increase in the Earth's average temperature
C. A long-term change in the climate of a region or a city
D. Solar heat that is radiated out into space

Answer 1

Answer:B

Step-by-step explanation:

Answer 2

B) A long-term increase in the Earth's average temperature

Global warming is a slow but gradual increase of Earth's temperature caused by an increase in carbon dioxide and other factors.