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.
It is better to use natural gas than crude oil because it is safer for our environment. Summary: 1. Crude oil and natural gas are fossil fuels that are used for heating. 2. Crude oil or petroleum consists of hydrocarbons and other organic compounds while natural gas consists mostly of methane and hydrocarbons or ethane. 3. Crude oil and natural gas are used for vehicles, but the demand for crude oil is greater than for natural gas because it is cheaper.