Upon returning to your station following a run, you should disinfect the ambulance as needed. Disinfection is MOST accurately defined as: Select one:
a. using heat as a means of removing all microbial contaminants.
b. killing pathogenic agents with a chemical made for that purpose.
c. destroying pathogenic agents by using potent disinfection means.
d. removing dirt, dust, blood, or other grossly visible contaminants.

b. killing pathogenic agents with a chemical made for that purpose.

Explanation:

Disinfection is usually carried out to kill microbial disease causing organisms. Disinfection involves using specialized chemical to kill these organisms. The substance use for disinfection is known as disinfectants. Disinfectants kills germs and infectious organisms, disinfectant are mostly used in the hospitals, kitchen, tooth surgery etc.

Pathogens are microbes that can cause disease to the body. Using disinfectants kills these pathogens . The disinfectant are usually specialized chemical for the purpose of eliminating pathogenic agents like viruses and fungi.

The correct answer is a scholarly dictionary. The scholarly dictionary would be the place to find the etymology of minuscule. Since etymology is the histories of words or terms, it would be best to look up to the formal research that scholars had made for it.