... promoting laws that set safety standards A B C for automobiles, children’s clothing, and a widely range of household products. D5. Zoos in New Orleans, San Diego, Detroit, and the Bronx have become ... animals roams free and people watch from across a moat. B C D6. In human beings, as in other mammal, hairs around the eyes and ears in the nose, A B prevent dust, insects, and other matter ... Massachusetts. A B C D3. Mass production is the manufacture of machineries and other articles in standard A B Csizes and large numbers. D4. Not much people realize that apples have been cultivated...