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 is the largest source of energy in the United States, providing close to 40 percent of all of the nation's entire power needs. Though most oil is used for transportation or home heating purposes, a small percentage is still used as a fuel for electricity generating plants.