Participate in hands-on, laboratory and field investigations to apply scientific principles, concepts, and methodologies in order to better understand our natural systems and to critically think about environmental issues and potential solutions. AP Environmental Science Course Description (PDF) AP Environmental Science Course Overview (PDF)
ragout - well-seasoned stew of meat and vegetables. 1  stew - food prepared by stewing especially meat or fish with vegetables. 2  salmi - ragout of game in a rich sauce.
Grout is highly porous and will absorb the liquid. Scrub the grout with a cloth or sponge, after soaking the stains for about an hour. If the rust breaks away from the grout, rinse the surface with water. If the rust still refuses to break away, apply more cleaning solution once per hour. It may take several hours for the acid to weaken the rust.