Nicotine is a highly addictive substance that is found in tobacco. Chemicals in tobacco are inhaled into the respiratory system when you smoke. This can cause many problems such as lung and throat cancer. Thousands of deaths are recorded in the U.S. related to smoking tobacco.
<span>Introduction of microorganisms from the bloodstream</span>
<em>Hi !</em>
The ability to conserve is most applicable to ability in which area?
<em>- Social Studies</em>
