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FuseSchool
Economic, Environmental & Social Effect of Biofuels
Learn the basics about the economic, environmental and social effects of biofuels as part of the fuels chapter within environmental chemistry.
PBS
Pbs Learning Media: Liquid Assets: Public Health
This video segment from a WPSU documentary Liquid Assets connects public health to the availability of clean and safe drinking water and elaborates on the threats our bodies face due to increasing kinds and quantities of pollutants.
Bozeman Science
Bozeman Science: Variation of Traits
In this video, Paul Andersen explains how variation is created in a population over time. Variation in offspring is caused by genetic recombination, mutations and environmental effects. Parental DNA is recombined using the process of...