How much warmer was the planet 65 million years ago

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Reference no: EM133206861 , Length: Word count: 2 Pages

Question 1: How much warmer was the planet 65 million years ago?

Question 2: What caused the temperature to change?

Question 3: How much warmer was the surface air temperature in the Arctic that it was in the 1981-2010 period?

Question 4: What are the two methods used for determining ocean temperature changes? Explain how they show temperature changes.

Question 5: Describe the three hypotheses for cooling during the past 50 million years.

Question 6: How do we know about sea level, temperatures, and climate or the past?

Question 7: What are the limiting CO₂ contents for glaciation on Greenland and Antarctica?

Question 8: Explain delta O18 and how it reveals past ice and ocean temperatures.

Reference no: EM133206861

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