1) In 1864 Nevada enter the United States as _______ thirtysixth state

2) Bob Stephenson, a biologist in Alaska who studies the Canadian lynx, a type of wildcat, has learned ______ from studying their tracks in the snow.

3) ______ lay eggs, but some give birth to live young.

4) Author Sraah Jewett established her literary reputation with Deephaven, a collection of sketches ______.

5) By means of various types of wind tunnels, ______ simulate most of the flight conditions to which an airplane is subjected.

6) Tennis star Chris Evert, who retired from the game after eighteen years, perhaps _____more than anyone to make women’s professional tennis a widely respected career.

7) The daytime _____ bright because the Earth’s atmosphere scatters sunlight.

8) Edward Hopper’s paintings portray the loneliness and isolation of the individuals _____.

9) Braille, _____ printing reading materials for use by people who are blind, consists of a system of raised points or dots that are read by touch.

10) The art of landscape architecture is almost as old ______ of architecture itself.

11) Enid, Oklahoma, __a stopping place on the Chisholm Trail in the 1800’s,is now the site of the fourth largest wheat storage space in the world.

12) The common barn owl, one of ten species of barn owls found in North America, is also called the mon-faced owl because its heart-shaped face looks __of a mon.

13) All the planets in the solar system except Mercury and Venus have natural satellites,__objects that revolve around the planets.

14) Some subsistence activities such as hunting large animals or netting fish require __to work together.

15) The Expressionistic artist was concerned not with the reality of the subject matter but with __inner nature and the emotions that it aroused.