1) _____ principal types of acceleration: linear and angular.

2) East Liverpool, Ohio, _____the pottery capital of the United States.

3) True hibernation takes place only among _____animals.

4) Like other women _____in the field of medicine, Sara Mayo found the beginning years difficult.

5) Color and light, taken together, _____ the aesthetic impact of the interior of a building.

6) _____ that Rachel Carson’s 1962 book Silent Spring was one of the chief sources of inspiration for the development of nontoxic pesticides.

7) Total color blindness, _____, is the result of a defect in the retina.

8) _____ no conclusive evidence exists, many experts believe that the wheel was invented only once and then diffused to the rest of the world.

9) Wherever there is plenty of rain during the growing season, life is _____ in various forms.

10) n her time, Isadora Duncan was _____ today a liberated woman.

11) _____ as taste is really a composite sense made up of both taste and smell.

12) Lorraine Hansberry's play A Raisin in the Sun was _____ to be produced on Broadway.

13) When changes in the tilt of the Earth relative to the Sun shift the location of South America's warmest zone,_____ - with it

14) The United States government shares governmental powers with the states under the federal system. _____ by the United States Constitution.

15) A challenging new area in inorganic chemistry is _____ the role of transition metals in the biochemical catalysts called enzymes.