1. Graphite conducts electricity _____does not burn.

2. Amoebas are _____small to be seen without a microscope.

3. Maine has _____weather than most of the other states in the continental United States.

4. And ideal is a standard _____people judge real phenomena.

5. The less the surface of the ground yields to the weight of the body of a runner, _____to the body.

6. Pleasing to look at and touch, beads come in shapes, colors, and materials _________.to handle and to sort them.

7. Just over two-thirds of Earth’s surface is covered by wafer, _____ more than 98 percent of this water is contained in the oceans.

8. Any acid can, in principle, neutralize any base, although _____ between some of the more reactive compounds.

9. About 42 million bushels of oats are used annually _____ manufacture of breakfast foods in die United States.

10. Since prehistoric people first applied natural pigments to cave walls, _____ have painted to express themselves.

11. _____ mammals have hair at some time in their lives, though in certain whales it is present only before birth.

12. Madge Macklin promoted the expansion of medical training to include genetics _____ supported the founding of genetics departments in North American medical schools.

13. When two straight lines meet, _____ an angle.

14. _____ tempera paint, the artist mixes dry pigments with water until the mixture resembles a stiff paste.

15. An underlying assumption of most market research is that people are continually _____ financial decisions based on their desire for goods that give them the most satisfaction.