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21. (T/F) The Earth is currently cooler than the last interglacial warm period known as the...

21. (T/F) The Earth is currently cooler than the last interglacial warm period known as the Eemian Interglacial Era (130,000 years ago) when sea levels were 20 feet higher than today.

22. (T/F) The Sun is near its current solar minimum, exhibiting sunspot activity lower than that observed for the last 150 years, which should reduce the Earth’s temperature due to significantly decreased input of solar energy. If CO2 is the cause of global warming, we should be able to tell if this is the case as the temperature would be expected remain constant or increase, regardless of what the Sun does.

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Question (21) : True

During the Eemian Stage sea level was between 5 and 9.4 meters higher than today and the water temperature of the North Sea was about 2 °C higher than at present.

Question (22) : True

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