The answer is •c•
Hope this is correct I tried
Molecular mass= (14.01∗1)+(1.008∗3)
14.01+3.024=17.03g/mol
Answer: Handwashing. It is estimated that washing hands with soap and water could reduce diarrheal disease-associated deaths by up to 50% 1. Researchers in London estimate that if everyone routinely washed their hands, a million deaths a year could be prevented 2.
Explanation:
Iron rusts when exposed to air → chemical property
