Acording to the article how are the senate and the house different

Take Notice that members of the House are elected for  two year terms, whereas senators are elected for six-year terms. ... Senators are at least thirty years old and citizens for 9-10 years. Another difference is who they represent. Senators speak for entire states, but members of the House represent individual districts.

the answer is title i subtitle b

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.