2. Methane is 87% gas by volume. It is an energy source for the planet and it is environmental. Methane is a hydrocarbon.

3. Methane is made by rotten food, sewer gas fumes, and septic tank gas fumes.

4. http://www.biodiesel.org/resources/Biodiese l_basics/ http://www.biodiesel.org/resources/Biodiese l_basics/ http://en.wikipedia.org/wiki/Methane http://scifun.chem.wisc.edu/chemweek/meth ane/methane.html http://scifun.chem.wisc.edu/chemweek/meth ane/methane.html

5. We need it because it can help us

6. Who invented the methane? When was the first methane made? Where was it made at? How is it used for biotechnology? Why was it used for energy source?