Question

How human actions causing death of usefull bacteria and fungui. What happens it continue.

Answer 1

bateria and fungui feaver dead or on dead

Answer 2

useful bacterias are really wanted to our environment
They play very role in degradation of materials and things and continuing the environment in the proper balance

If they are not there it would surely affect our environment in a great man.
human activities such as pollution over fertilization, over irrigation excetra play a important role in extinction of this bacteria