How does the house and senate differ?

That is what we know as a bicameral legislature, meaning the legislature is split into two. The house is based on a states population. For example, California has way more politicians in the house than Rhode Island. The senate is based on equal representation, and each state are given 2 legislatures.

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.