Friday, January 21, 2011

Final Exam #6

1. Climate change is caused by the warming of Earth's temperatures where certain gases in the atmosphere trap in heat and then the gases radiate that heat towards Earth's surface. This effect is known as the greenhouse effect that is warming Earth's temperatures. Also, human activities enhance the greenhouse effect, helping to raise the Earth's average temperature.

2. Human activity is contributing to climate change by affecting the greenhouse effect and by burning fossil fuels, which releases, which is the emission of greenhouse gases. Human activity has released a lot of carbon dioxide into the air, increasing the concentration of greenhouse gases.

3. Climate warming  is when the global surface temperatures increase because of many reasons such as the greenhouse effect and indirect reasons, such as snow cover and glacier recession.

4. The East Coast has been affected by these blizzards because temperatures are slowly, slowly rising in the world but that does not mean it can not get cold in the winter where you can have major snowstorms. Global Warming exists, but it is a very slow process that is rising the average temperature very, very slowly. This means that is can still get cold and there can be snowstorms.

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