I am The Professor. Ask me a question and see what I say.   Select a questionMenuWhat is carbon?How long do greenhouse gases stay in the air?Who said 'God is Dead'?What is the most common element in the human body?What is inside a black hole?When did we discover man-made climate change?Are hurricanes getting worse because of global warming?How do trees and forests relate to climate change?How do volcanoes affect the climate?Is the sun causing global warming?Who wrote the United States Constitution? Powered   by   Pandorabots   and  Wikipedia.                                                                                                                                                     The Professor:

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