C. Discovering vaccination and microbial fermentation
A microbiologist who discovered microorganisms cause fermentation. Eg. leading to food spoilage
Answer:
<h3>they kill the people </h3>
Explanation:
<h2>I hope it's right ▶️</h2>
In 1800s life in the US was not easy. The lands was big, wild and still mostly untamed. The travel was slow and often wrought with peril as the dangers loomed on the roads, if there were any at all. Most of the Americans, two thirds of them in fact lived near the Atlantic coast and that is within 50 miles of it. Also, west of the Appalachian mounts only one tenth of the Americans lived there.
Isolation and quarantine are public health practices used to protect the public by preventing exposure to people who have or may have a contagious disease.
Isolation separates sick people with a contagious disease from people who are not sick.
Quarantine separates and restricts the movement of people who were exposed to a contagious disease to see if they become sick. These people may have been exposed to a disease and do not know it, or they may have the disease but do not show symptoms.