Asking a guest to quickly answer a question such as what year did you graduate high school is one way to

bacteria – a word that often brings out a sense of uneasiness in most of us are, in fact, one of the earliest forms of life. it can be quite unnerving to know that there are bacteria all over your skin, hair, and even inside the body. but only a few species of bacteria are dangerous. the majority of bacteria are good, and without them, life on earth wouldn’t be possible. let’s learn more about how are bacteria essential for you to survive.

well, there are a lot of places we get information about earth from. like science classes, websites, books, newspapers, etc.