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Pollution, Climate and Conventions · Question 37 of 67

Question 37

EasyOriginal question

What is the main cause of the global warming seen since about 1950?

Options for question 37

Show the answer and explanation
CorrectNot quiteAnswer B

Correct answer: B

Explanation

  1. Burning fossil fuels releases carbon dioxide that had been locked underground for millions of years.

  2. Scientists' assessments (the IPCC) find human activity is the dominant cause of recent warming.

Worth noting

The ozone hole and global warming are separate problems, though some gases, such as CFCs, play a part in both.

Concept
Causes of global warming
Typical time
35 s
Your time
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The rule this testsClimate change
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