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!
Smokers have a greater chance of developing deadly diseases. please select the best answer from the choices provided.
-true
(BPCO, cancer,
Answer: carbohydrates, fat, protein
Explanation:
<span> In a medical or biological context </span>stress<span> is a physical, mental, or emotional factor that causes bodily or mental tension. Stresses can be external (from the environment, psychological, or social situations) or internal (illness, or from a medical procedure).</span>