6
lesson pretestMultiple Choice

Pretest

Question 6 • TPS EdX Biology

Which definition best describes global warming?

Answer
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

Explanation

Global warming is the long-term rise in Earth’s average temperature. Choice A states this directly. Choice C describes climate change more broadly, which can include changes in temperature, rainfall, and other climate patterns.

AI-written and checked against the verified answer.

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