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Decoding the weather machine answers
1. What two isotopes of oxygen will scientists study in clam shells? -they are almost identical. Which is there more of in colder water? oxygen 16 - 8 protons, 8 neutrons, oxygen 18 - 8 protons, 10 neutrons, 2. colder water, more oxygen 18, What is revealed when the graphs of past atmospheric temperature and carbon dioxide levels are compared? Results 1 - 18 of 18 The NOVA Decoding the Weather Machine movie guide comes with an answer key that has suggested answers provided at the end. . warmer winters, more floods, etc. the rhythm of the atmosphere was off. more extreme weather trends. Explain how carbon dioxide and other greenhouse gases trap heat. 2. carbon dioxide; traps heat in the sky. 1. sunlight passes thru them warms our planet like a blanket, travels out as infrared heat. nitrogen & oxygen. sunlight passes thru them warms our planet like a blanket, travels out as infrared heat. "A 2 mi high pole sticking out of the ocean". carbon dioxide; traps heat in the sky Explain how carbon dioxide and other greenhouse gases trap heat. 2. Why is Mauna Loa an ideal place to study atmospheric conditions such as carbon dioxide levels? The colder the water, the more oxygen 18 that is incorporated into the shell which allows scientist to determine the temperate the shell was formed in, how . Oxygen comes in different forms. Decoding the Weather Machine Scientists around the world strive for a better understanding of the workings of the weather and climate machine known as Earth.