Antimicrobial disinfectants such as triclosan are being used more frequently to clean surfaces, prevent infection, and eliminate as many bacteria in our personal environment as possible. What is one downside to this trend? A. It could increase the levels of dust mites
b. It could kill harmless viruses
c. It could reduce the number of helpful bacteria
d. It could prevent infection by fungi

A. It could increase the levels of dust mites

Explanation:

The use of disinfectants like "triclosan" could increase the levels of superbugs like dust mites. This is because using antimicrobial more often on surfaces may increase the bacteria's resistance to it. Once the bacteria is stressed out, it has the tendency to share its genes to microorganisms like the dust mites. It then creates "superbugs." In this case, the dust mite will carry that gene of being resistant to triclosan thereby increasing the levels of dust mites in the house.

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