Rebecca, a six-year-old girl, is very good at carrying on conversations with people. Her two-year-old brother Jack is not very good at carrying on conversations. This is primarily due to an increased understanding of .

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.

rain should be the answer.

answer; participant observation method;