The time capsule was discovered behind a plaque at the monument in Baltimore's Mount Vernon neighborhood. The sealed box was put behind the plaque, placed in front of a niche to commemorate the monument's centennial, on Defender's Day, Sept. 12, 1915.
OIL AND THE ENVIRONMENT. Products made from oil (petroleum products) help us do a lot of things. We use them to power our airplanes, cars, and trucks, to heat our houses, and to make things like medicine and plastics.Even though petroleum products make life easier, it is not all good.IL AND THE ENVIRONMENT. Products made from oil (petroleum products) help us do a lot of things. We use them to power our airplanes, cars, and trucks, to heat our houses, and to make things like medicine and plastics.
Oil shale has been used as an energy source for centuries. Extracting oil from oil shale requires conversion of the solid hydrocarbons in the rock to liquid form, so that they can pumped or processed.This is done by heating the rock to a high temperature, and separating and collecting of the resultant liquid.This heating process is called retorting.il shale has been used as an energy source for centuries. Extracting oil from oil shale requires conversion of the solid hydrocarbons in the rock to liquid form, so that they can pumped or processed.