Did you know that bacteria are a living, thriving species? “There are over ten million different types of bacteria! They can live in the soil, the ocean or the human intestine.” I'm very interested to see what type of cleaner kills these bacteria best. Your hands are in greater contact with germs and bacteria from the outside world. It is really easy to come into contact with different bacteria and transmit them to other objects and people. Therefore, I will do tests to see if soap or hand sanitizer kills most bacteria on hands. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an Original Essay Bacteria can be harmful sometimes, but they can also be helpful. Second, some helpful ones include “E. Coli are found in the intestines of humans and aid in digestion. Streptomyces are used in antibiotics. Rhizobia are found in the soil and help convert nitrogen in the soil.” On the contrary, they can sometimes be very harmful. "AND. Coli can be harmful if you eat or drink a substance that has been contaminated with it. Listeriosis can make people extremely sick and eventually lead to death. Listeriosis can be found in shellfish, cured meats and unpasteurized milk. Salmonella is extremely dangerous and lives in the intestinal tract of humans. Poultry and eggs are some examples of foods that can be contaminated with salmonella and can cause severe diarrhea. Others can cause tuberculosis and anthrax.” A human's body contains many different types of bacteria that can help protect against other harmful bacteria. It is said that there are approximately five million trillion trillion species of bacteria. Many scientists estimate that if they lined up the bacteria in a row, the bacteria would stretch out to a distance of about ten billion light years. Bacteria were first discovered by Antonie van Leeuwenhoek in 1674. Many different species of bacteria have yet to be identified. Please note: this is just a sample. Get a custom paper from our expert writers now. Get a Custom Essay Hand sanitizers are alcohol-based that do not require the use of water. There are many different forms of these disinfectants. They can come in the form of gels, foams, soaps and wipes. But which ones actually work best? “As long as the sanitizing products contain 60 percent alcohol and you use it correctly, it shouldn't matter.” There is an ingredient called triclocarban that is used in hand sanitizers and can also be found in soaps and even toothpastes. Antibiotics are a good protector against bacteria. Some of these antibiotics are hand sanitizers and help fight harmful bacteria. While hand sanitizer seems helpful because it protects you from harmful bacteria and other germs, it can be used the wrong way. In 2012, six teenagers were hospitalized in California after drinking a bottle of hand sanitizer. Many scientists believe that a few shots of liquor are equivalent to drinking a couple of squirts of hand sanitizer. The most popular brand of sanitizer is “Germ-X”.