1.
Most geologists believe------from the remains of tiny marine plants and animals that died millions of years ago.
2.
The seat of France's North American holdings in the eighteenth century was Quebec, and the French heritage—dominant there.
3.
If Earth did not rotate, differences in air pressure would be —, with winds blowing from high-pressure to low-pressure areas.
4.
A mobile is a sculpture constructed of pans so delicately connected and balanced—---the entire suspended structure may be moved by vibration or manual manipulation.
5.
The ice of a glacier that reaches the sea breaks off--—.
6.
Migraine headaches are more frequent among women—--- among men.
7.
South American flamingos can survive in temperatures---—above the freezing point.
8.
Made of hard wood, the boomerang is roughly V-shaped, with arms—--skewed
9.
Not until the late nineteenth and early twentieth centuries---—as a unified science.
10.
The ancient Egyptian water clock required sophisticated calibration, since water dripped faster from its bowl when — and the pressure was greater.
11.
Enid, Oklahoma, —a stopping place on die 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 monkey-faced owl because its heart-shaped face looks — of a monkey.
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
