Questions: Due : 13/11/2012
1.- Who is the speaker?
2.- Why does he say that the atmosphere is the most vulnerable part of the ecosystem?
3.- What is "CO2"?
4.- Why do the levels of CO2 naturally go up and down every year?
5.- Explain the relationship between CO2 levels and temperature in the planet.
6.- Use a diagram to explain the natural green house effect in our atmosphere.
7.- How do green house gasses affect the natural effect?
8.-Name one consequence of global warming.
9.- Name another consequence of global warming which will affect you directly.
10.- Name 5 human activities which generate green house gasses.
11.-Use a diagram to explain "the water cycle".
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