1.) When the Greenhouse Effect is exaggerated through human activities more and more heat will be trapped on the Earth, increasing the average temperature. What is this called?

A.) Global cooling
B.) Global Warming
C.) Photosynthesis
D.) CO2 Emissions

2.) What is the largest source of U.S. greenhouse gas emissions?
A.) Agriculture
B.) Transportation
C.) Electricity production
D.) Home heating

3.) What is an example of the greenhouse effect?

A.) Steam rising from boiling water
B.) Baking brownies on a metal pan.
C.) Stepping on hot pavement and it burning your feet.
D.) Inside of a car becoming hot on a warm day.

4.) What are the two most major gases produced by people?

A.) Methane and Fluorine
B.) Carbon Dioxide and Methane
C.) Carbon Dioxide and Nitrous Oxide
D.) Methane and Nitrous Oxide

The greenhouse effect is a natural mechanism that causes the surface of the Earth to warm.
Some of the Sun's energy is reflected back to space, while the rest is absorbed and re-radiated by greenhouse gases as it enters the Earth's atmosphere.

Emissions of carbon dioxide. The principal greenhouse gas emitted by human activity is carbon dioxide (CO2).
Carbon dioxide is released into the atmosphere as a result of the combustion of fossil fuels (coal, natural gas, and oil), solid waste, trees, and other biological materials, as well as chemical processes.

Coal, natural gas, and oil production and transportation all generate methane.
Livestock and other agricultural techniques, land use, and the breakdown of organic material in municipal solid waste landfills all contribute to methane emissions.

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