What would the following proxy records allow us to investigate? pollen records f

Question

What would the following proxy records allow us to investigate? pollen records from lakes around California tree ring widths from Orange County and the Sierra Nevada mountains chemistry of a stalagmite taken from a cave in the Sierra Nevada mountains geologic features such as dry lake beds the history of rainfall in California the carbon dioxide content of the atmosphere over the past 5 million years the temperature of the Gulf Stream current in the North Atlantic Ocean Which of the following changes would cause global temperatures to increase? decrease in solar luminosity decrease in carbon dioxide and methane large decrease in ice covering Earth's surface increase in atmospheric sulfate aerosols which are very effective at reflecting incoming solar radiation back to space

Explanation / Answer

8.Option A is correct.

9.Option 3 is correct.Large decrease in ice covering would cause global temperature to increase.

Thank you

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