According to the American Cancer Society, skin cancer is the most common type of cancer in the United States. Skin cancer is an abnormal growth of skin cells. It generally develops in areas that are exposed to the sun, but it can form in places that donât normally receive sun exposure.
Harmful bacteria: 1  E. Coli can also be harmful if food or water is contaminated with it and then eaten. 2  Listeriosis can cause individuals to become very ill and can even be potentially deadly. 3  Examples of where it can be found are in shellfish, cold cuts, and unpasteurized milk.Answer #1). Helpful bacteria: 1  E. Coli are found in the intestines of humans and aid in digestion. 2  Streptomyces is used in making antibiotics. 3  Rhizobium are helpful bacteria found in the soil.
There are many kinds of bacteria. Some bacteria is good for your body, and if you get rid of too much bacteria you can get a infection. [For example when you don't have enough â¦ bacteria in your vagina that's when you get a infection down there].ou also already have bacteria in your body because they live in your intestines and help you digest food.they are also in the air you breathe. not all bacteria is harmless.