The the worst disease ever know to mankind was Black Death also known as The Plauge.
This disease spread all over Europe, even though it spread to other countries, The Plauge was mostly in Europe. It affected/killed many people of Europe's population in the 14th century. the Black Death is estimated to have killed 30–60% of Europe's total population. In total, the plague may have reduced the world population from an estimated 450 million down to 350–375 million in the 14th century.
Answer:
<u><em>3. cocaine</em></u>
Explanation:
As much as all of these are harmful and tobacco is terrible for you. There aren't any extremely addictive drugs like cocaine. If it was cocaine you would be addicted forever while nicotine will slowly get you addicted and it is possible to get off it.
1. setting meat on a counter that had previously uncooked meat on it
2. not washing hands before cooking
3. using uncleaned silverware
I think the correct answer would be suspension. It is a formulation type of drugs where solid particles are suspended to a solvent they are not dissolved since they are not soluble in the solvent. However they are dispersed in the solvent. Hope this answers the question.
Answer: The etiology of the symptoms is the bacterium Bordetella pertussis.
Explanation: Etiology implies the "cause of" or "origin of" a disease. Paroxysmal cough is most commonly caused by the bacterium Bordetella pertussis. The cough is also accompanied by mucus accumulation in the airways. The bacterium infects the respiratory tract of an individual causing consistent coughing and excessive mucus production.