5 Fall 2018 GEOG 340, CSU East Bay Name August 30, 2018 Quiz #1 (Chapters 1-3, L

Question

5 Fall 2018 GEOG 340, CSU East Bay Name August 30, 2018 Quiz #1 (Chapters 1-3, Lectures 1-3) Intro to Climate Science, Earth's Climate System, Climate Archives 1). What season is in Australia when the Earth is positioned as it is shown in the diagram below? N. Pole A) fall B) summer winter D) spring sun's rays Equator S. Pole 2). Positive Earth climate system feedbacks: A) always amplify climate changes initially caused by external forcing. B) always suppress climate changes initially caused by external forcing. always cause climate warming. help maintain a constant temperature on Earth. 3). When considered within the time scale of the last 300 million years, what is the present-day state of Earth's climate? ColdWarm Earth is the warmest in 300 million years. B) Earth has been warming over the last 100 million years. ©Earth has been cooling over the last 300 illior years. D) Earth is much colder today than it was 100 million years ago. 300 10°C A Tectonic

Explanation / Answer

1. (C)-WINTER

2. (A)-ALWAYS AMPLIFY CLIMATE CHANGES INITIALLY CAUSE BY EXTERNAL FORCING

3. (D)-EARTH IS MUCH COLDER TODAY THAN IT WAS 100 MILLION YEAR AGO

4. (C)-SEASONAL SNOW COVER

5. (C)-15.5 C

6. (A)-THE ATMOSPHERE

7. (D)-MICROFOSSILE OF PLANKTON AND POLLEN

8. (B)-NITROGEN

9. (B)- INFRARED RADIATION

10. (B)-THE TROPOSPHERE

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