The Homestead Act of 1862 granted 160 of land for any settler who would spend fiveyears on the land

A ………. is an enormous system of stars in outer space.

Because not food is as nutritious for a baby as its mother’s milk, many women are returning practice of breast feeding.

A light year is the distance that light travels in one year calculated using the speed of 186,284 miles the second as base.

Under the crust of the Earth are bubbling hot liquids that sometime rise to the surface

Since fireworks are dangerous, many countries have preventing business to sell them.

Choose the correct verb form:

____ 60,000 people filled the stadium.

Usually the climate in mountainous areas becomes much windy higher altitudes.

The leader emphasized the need justice and equality between his people.

Because the diamond is the hardest naturally occurring substance, it is used in industry for to cut, grinding, and boring other hard materials

The rock formations in the Valley of Fire Nevada has been worninto many strange shapes by the action of wind and water.

Scuba diving is usually carried out in the ocean in that people can explore underwater world.

It is necessary that the director will sign all the copies, not just top one.

Jack London, whom was known for his stories of Alaska, lived there during Klondike gold rush.

A conductor uses signals and gesture to let the musicians to know when to play various parts of composition.

Researchers in economics, psychology, and marketing can help businesses.

Despite its smaller size, the Indian Ocean is as deep the Atlantic Ocean.

This multi-sport event is an occasion when friendship and _____ are built and promoted.

Air pollution, together with littering, are causing many problems in our large, industrial cities today.

The Press thought the football manager would be depressed by his dismissal but he just _____. 

May I ask who was that man who was leaving the office when we came in?