Environmental Science: Age 18

3 illustrated Environmental Science lessons for Age 18.

Surface Water and Deep Groundwater Surface water in rivers and lakes is open to rain, runoff and debris, so it usually carries more contaminants.…
Oil in Fuel or Separate Oil A two-stroke engine lubricates by mixing oil into the fuel, so some oil burns poorly and leaves in the exhaust…
Leaf Litter to Humus Fallen leaves pile up on the forest floor, where soil animals and microbes chew and digest them. The leftovers…