when did the battle of lexington end

The practical options for energy range from the standard fuels, natural gas, petroleum (or oil), and coal. Fossil fuels are referred to as nonrenewable energy sources because, once used, they are gone. Scientists are exploring the practicality of other sources called renewable energizes. These include sun, wind, geothermal, water, and biomass. The renewable power resources are very important in long range energy planning simply because they will not be depleted. It's August as well as the words "Back to School" ring loud inside the ears of parents, students and educators. Schools, families, businesses and communities are hearing the rally cry and readying themselves for your inauguration of a new school year!! Some are celebrating the brand new start while others are bracing to get a new year as well as the nervous about the unknown.