Answer: In 1858, Pasteur filtered air through a gun-cotton filter and, upon microscopic examination of the cotton, found it full of microorganisms.
I hope this helped!
Answer:
Addiction
Explanation:
I say this is an example of addiction because he is experiencing symptoms of anxiety and nervousness, which could lead to paranoia if he doesn't get more soon. Though, a majority of people who smoke weed don't form an addiction.
I'd say c but I'm not positive
Answer:
no
Explanation:
Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They're normally harmless or even helpful.
Getting sick is an inevitable part of life, but with the right understanding you can help fight off illnesses, and prevent them in the future.