Carbon dioxide, nitrous oxide, and methane (CH4) are produced by the burning of fossil fuels, expelled from living and dead biomass, and released by the metabolic processes of microorganisms in the soil, wetlands, and oceans of our planet. ... These gases may have consisted of hydrogen (H2), water vapor, methane (CH4) , and carbon oxides. Prior to 3.5 billion years ago the atmosphere probably consisted of carbon dioxide (CO2), carbon monoxide (CO), water (H2O), nitrogen (N2), and hydrogen. ... Sulfur dioxide Sulfur dioxide, is released into the atmosphere when coal and oil are burnt ...

• Word Count: 2950
• Approx Pages: 12

Name: Anonymous Submitted: 08.29.01 Word Count: 4987 "This site kicks-ass!!" The Ozone a Hole in the Theory The protective ozone layer around our world undergoes much thought and debate. The "Hole", however, only exists in the minds of environmental, self-serving scientists and politic...

• Word Count: 4635
• Approx Pages: 19
• Grade Level: High School

When speaking of the automobile alone "...each gallon of gas burned releases 22 pounds of carbon dioxide in the atmosphere...the car is the single largest contributor to global warming " (Rifkin 179). ...

• Word Count: 3320
• Approx Pages: 13
• Grade Level: High School

When speaking of the automobile alone "...each gallon of gas burned releases 22 pounds of carbon dioxide in the atmosphere...the car is the single largest contributor to global warming " (Rifkin 179). ...

• Word Count: 3320
• Approx Pages: 13
• Grade Level: High School