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:
d both a and b
Explanation:
because to impress your parents is a dud answer and not a good reason
The most recent Dietary Guidelines for Americans<span>, released in January 2011, recommend that </span>all adults eat at least half their grains as whole grains<span> – that’s at least 3 to 5 servings of whole grains. Even children need 2 to 3 servings or more. Recommendations in Canada’s Food Guide are almost exactly the same. (Not surprising, since the human body changes little from country to country!)
Hope this help </span>
