The 5-year-old of two very busy parents has been throwing tantrums. Whenever the child goes off the deep end, one or both of his parents immediately come to his side and fuss over and cajole him. Nevertheless, his tantrums do not diminish; they even seem to increase. We may assume that his parents' fussing over him serves as a .

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.

it's the under parts of the car