Bacteria are invisible to humans except under a microscope. what evidence did pasteur use to show that bacteria was the cause of soured wine? a. heated wine didn't sour b. capped wine didn't sour c. filtered wine didn't sour d. chilled wine didn't sour

Pasteur said that heating the wine at about 120°F would make sure that the wine would not turn sour, so the option is A.

Here's the information link: http://www.faqs.org/health/bios/83/Louis-Pasteur.html

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?

the formula mass of a molecule or a compound is the sum of the atomic weights of the atoms in its empirical formula

(that's what i know about formula mass)