What does al gore, author of an inconvenient true, demonstrate about the level of atmospheric carbon dioxide levels?

An Inconvenient Truth Quick Check

1. Each year, the CO2 level rises and then falls. Over the past 50 years, it has steadily increased.

2.Greenhouse gases trap some infrared radiation in the atmosphere. This warms the atmosphere.

3.My sister gave ME a signed copy of the book

Explanation:

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