15 Project Title Description Suggested Resources Excerpted and adapted from Take Care of Oregon Days: 150 Service-Learning Project Ideas (SOLV 2008) Â© 2009 Youth Service America Vegetation Monitoring Discover how watershed restoration projects can improve water quality and wildlife habitat.
The ether layer with a dissolved yellow compound is on top and an aqueous layer is at the bottom. Apple, banana, carrot, and lettuce extraction using acetone, water, and dichloromethane. Lower layer is the organic layer.
As a result, soil organic materials become increasingly nutrient rich as decomposition occurs. Cereal straw, for example, is made up of carbon and nitrogen in the ratio of 100:1 when it is added to the soil. As this material decomposes and forms humus, its carbon to nitrogen ratio decreases to 12:1.