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.
In mountainous areas, organic matter is likely to make up only a small portion of the soil, from 1 to 6 percent. In low wet areas, organic matter may account for as much as 90 percent of soil content. Because it contains organic matter, the A horizon is generally darker in color than the deeper layers.