_________ when a person doesn't eat enough fruit and vegetables.

Anxiety about uncontrollable situations is thought to cause __________

A communications satellite orbits the earth at the same rate that the earth revolves ________ over a fixed point on the surface.

Jellyfish are probably _________ on Earth.

______ of staging a play that help the audience understand its structure and meaning

The student managed to pass the entrance examination __________ he was blind.

The seed heads of teasel plants raise the nap on coarse tweed cloth __________ than do the machine tools invented to replace them.

On the slope of Long's Peak in Colorado _________ the ruin of a gigantic tree.

From 1926 until her death, Margaret Mead ________ New York's American Museum of Natural History.

One purpose ________ to decide if there is sufficient evidence to try a person for a crime

Some procedures used for laboratory analysis of archaeological specimens are _______ procedures conducted in crime laboratories

Floride has not yet ratified the Equal Rights Amendment, and _________

A vacuum will neither conduct heat nor ____________

_________ a bridge builder, Gustav Eiffel designed the Eiffel Tower for the Paris Exposition of 1889.

By praying outside saloons, throwing rocks in saloon windows, and destroying saloons with her hatchet __________

The windmill, which has been used for hundreds of years to pump water and grind grains, ___________ redesigned to produce electricity.

He gave _________

George belongs to the _________

They decided to finish and finally ________ the hard evening with a pizza and a few sodas

Most substances contract when they freeze so that the density of a substance's solid is ______ of its liquid

_________ as the most important crop in Hawaii is sugar cane

It is earth's gravity that _______ people their weight.

Lunar eclipses occur each time the Earth blocks the Sun's light from the Moon _________ the Moon's full phase.

Quasars _________ emitting extremely intense radio waves and visible radiation.

___________ commonly chosen as the first step to a career in public office

_______ were stones piled at intervals.

Neptune is an extremely cold planet, and _________

Benjamin West contributed a great deal to American art: __________

After the funeral, the residents of the apartment building ___________

Only __________ of the breeds of cattle have been brought to the United States.