D
22. In 1860, more as 90 percent of the people of Indiana lived rural areas, with only a few cities having a
A B C
population exceeding 10,000.
D
23.Gravitation keeps the Moon in orbit around Earth and the planets other of the solar system in orbit
A B C D
around the Sun.
24. Photograph was revolutionized in 1831 by the introduction of the collodion process for making glass
A B C D
negatives.
25. After flax is washed, dry, beaten, and combed, fibers are obtained for use in making fabric.
A B C D
26. A fever is caused which blood cells release proteins called pyrogens, raising the body’s temperature.
A B C D
27. Because of various gift-giving holidays, most stores clothing in the United Sates do almost as much
A B |
