GEOLOGY

Detailed explanation-1: -Coliforms are bacteria that are always present in the digestive tracts of animals, including humans, and are found in their wastes. They are also found in plant and soil material.

Detailed explanation-2: -Escherichia coli (E. coli) is a bacteria that normally is an important part of the healthy intestinal tracts of humans and animals.

Detailed explanation-3: -Fecal coliform bacteria are specific to the intestinal tracts of warm-blooded animals, including humans, and thus require a more specific test for sewage or animal waste contamination. E. coli is a type of fecal coliform bacteria commonly found in the intestines of animals and humans.

Detailed explanation-4: -Total coliform (TC) bacteria are common in the environment (such as in soil) and the intestines of animals and are generally not harmful. Escherichia coli (E.

Detailed explanation-5: -Most coliform bacteria are not harmful. However, some can make you sick. A person that has been exposed to these bacteria may have an upset stomach, vomiting, fever, or diarrhea. Children and the elderly are more at risk from these bacteria.