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Handout
Encyclopedia of Earth: Physics & Chemistry: Methane Handout
Encyclopedia of Earth

Encyclopedia of Earth: Physics & Chemistry: Methane

For Students 9th - 10th
Article explaining what methane is, its impact as a greenhouse gas on global warming, and natural and man-made sources of methane. (Published: April 30, 2010)
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Handout
Biology Wise: Beneficial Bacteria Handout
BiologyWise

Biology Wise: Beneficial Bacteria

For Students 9th - 10th
Discusses examples of probiotic bacteria that benefit the human body and some that help the environment.
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