Drugs are chemicals. Different drugs, because of their chemical structures, can affect the body in different ways. In fact, some drugs can even change a person's body and brain in ways that last long after the person has stopped taking drugs, maybe even permanently.
USED OIL is defined as any oil that has been refined from crude oil, or any synthetic oil, that. has been used and as a result, is contaminated by physical or chemical impurities. If you do, use the information in this publication to help make the best choices in managing them.
This post will take you through some of the common uses of carbon in the world today. Uses of Carbon. 1  The major use of carbon is in the form of hydrocarbons, mainly methane gas and crude oil. 2  Crude oil is used to make gasoline and kerosene through distillation.