1. Nylon was ___the human-made fibers.

2. The foundation of all other branches of mathematics is arithmetic, _ science of calculating with numbers.

3. Newspaper publishers in the united states have estimated ______reads a newspaper every day

4. ____ freshwater species of fish build nests of sticks, stones, or scooped-out sand..

5. A situation in which an economic market is dominated by a _____ is known as a monopoly.

6. Even as a girl, _____ to be her life, and theater audiences were to be her best teachers.

7. _____ mechanical device has ever been invented that can satisfactorily replace teasel flower heads for raising the nap on cloth.

8. No one knows exactly _____.

9. The earring is one of the oldest known ornaments and _____ pieces of stone, bone, or shell.

10. _____ temperature at which air holds as much water vapor as it can is called the dew point.

11. _ _____ plants, which manufacture their own food, animals obtain nourishment by acquiring and ingesting their food.

12. DNA, _________, is found in the cell nucleus in the form of very long and thin molecules consisting of two spiral strands.

13. The early feminist leader Susan B. Anthony became increasingly aware through her work in the temperance movement ______ the same rights as men.

14. Clinical psychologists Dr. Carl Rogers found that 80 percent _______ verbal communication involved five types of responses: evaluative, interpretive, supportive, probing, and understanding.

15. The province of Newfoundland has _____ than any other region of North American in which the first language is English.