Question

microorganisams are friends of human justify

Answer 1

Microorganisms are friend of human beings : -
Microorganisms are used infermentation to produce ethanol, and in biogas reactors to produce methane. Scientists are researching the use of algae to produce liquid fuels, andbacteria to convert various forms of agricultural and urban waste into usable fuels
hope it helps

Answer 2

Not all but some are as they helps us
For example yeast we use to prepare bread.
We uses microorganisms in milk also to make it curd.
There are soil helping microorganisms also as they help plants they are helping us because plants provide us oxygen which we use
Microorganisms helps us in many ways.

Hope it helps
Please mark my answer as brainlest answer