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.
The upper soil horizons (the O and the A horizons) include those that have been substantially altered by soil processes and often have a large organic component giving the soil a dark color compared to the lower mineral soil horizons. The O horizon (organic horizon) is the top layer that makes up the forest floor.