Question

13. Harmful microbes are called (a) Germs (b) Protozoa (c) Fungi (d) Bacteria​

Answer 1

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I guess, (a) germs?

Answer 2

Answer:

Bacteria

Bacteria are tiny, single-celled organisms that get nutrients from their environments.

Some bacteria are good for our bodies — they help keep the digestive system in working order and keep harmful bacteria from moving in. Some bacteria are used to make medicines and vaccines.

But bacteria can cause trouble too, as with cavities, urinary tract infections, ear infections, or strep throat. Antibiotics are used to treat bacterial infections