They can make you sick, some can kill you and can give you infections.
10 harms of microorganisms
how are microorganisms harmful to the enviorment
pathogens
helpful microorganisms help our bodies proceed health
Bacteria or mold
fungus, bacteria (sometimes) and virus. :)
antibiodic
Hot water.
Microorganisms which spread diseases are harmful microorganisms.
Bacteria compete with other bacteria and microorganisms by secreting toxins and antibiotic proteins.
I can tell you two of them they are!answer: Bacteria or mold and fungi!!
Yes, it makes you fat.