All microorganisms can be harmful to humans.
a. True
O b. False

false

Explanation:

Microscopic creatures—including bacteria, fungi and viruses—can make you ill. But what you may not realize is that trillions of microbes are living in and on your body right now. Most don't harm you at all.

b. False

Explanation:

All micro-organisms are not harmful to humans. In fact, most micro-organisms dont harm us at all. They are living in our bodies and are beneficial. Some beneficial Micro-organisms are Prebiotics, Fungi, Bifidobacterium etc.

d is the answer hope this

football or basketball players.