1) Groups of muscles in the head direct the actions necessary for _____.

2) In the Osage tribe of Oklahoma, beaded belts _____ who held a high social status.

3) _____ commonly chosen as the first step to a career in public office.

4) In 1852 _____ one hundred piano-makers in New York alone.

5) Mammals have a larger, more well-developed brain _____ other animals.

6) Many small birds use new sites for each nesting, _____ large birds often reuse the same nest.

7) Plateaus are often referred to as tablelands _____ essentially flat-topped and stand conspicuously above an adjacent land area.

8) Although many contemporary craft objects are not _____, they generally have their roots in function.

9) _____ hearing aid was a tube called the ear trumpet, a flared tube held up to the ear.

10) Most leaves are coated with a waterproof _____, or cuticle.

11) The term bell-letters is used to denote literary forms that contain _____, such as drama, poetry, essays, and novels.

12) Open-pit mining follows the same sequence of operations ______ mining: drilling, blasting, and loading and removing waste and ore.

13) ______ in cases where special oxidants are used, fires are the result of a fuel rapidly combining with the oxygen in the air.

14) Maya Angelou’s widely acclaimed autobiography, I know why the Caged Bird sings, is a moving and ______ of her childhood in segregated Arkansas.

15) ______ to study element 104 because only a few atoms of his substance can be isolated at one time.