9) Which of the following is true about the PETM, making it the best geological

Question

9) Which of the following is true about the PETM, making it the best geological analog for future ocean and biological responses? o Widespread warming associated with large buildup of CO2 and methane o Oceans acidified o Global temps rose several degrees o All of the above 10) Why will all locations on the globe not see the increase in temperatures predicted by climate models? o Climate change is geographically non-uniform in both magnitude and sign o The greatest change will always be seen at the equator, regardless of the forcing mechanism o Climate change is only uniform along lines of latitude o None of the above 11) What does the complex nature of removing CO2 from the atmosphere mean in terms of global climate change? o There is no hope of reversing the changes already made o Making a change will require a serious and prolonged commitment to reducing emissions o There will still be warming even after emissions are reduced, possible for decade to centuries o Both b and c are correct. 12) Which of the following is the hardest area to accurately model? o Temperatures o Precipitation o Clouds o All of the above o None of the above

Explanation / Answer

9) Which of the following is true about the PETM, making it the best geological analog for future ocean and biological responses?

o Widespread warming associated with large buildup of CO2 and methane

o Oceans acidified

o Global temps rose several degrees

o All of the above reasons are correct about PETM.

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