Nitrogen must be combine with another element such as Hydrogen or Oxygen to be useful in agriculture or industry.

Advertising it provides most of the income for magazine, newspapers, radio, and television in the United States today

In the 1800’s store owners sold everything from a needle to a plow, trust everyone, and never took inventory

They asked us, Henry and I , whether we thought that the statics had been presented fairly and accurately.

In some species of fish, such the three-spined stickleback, the male, not the female, performs the task of caring for the young.

The most substances expand in volume when they are heated

Margaret Gorman, she was the first woman chosen as Miss America, died in 1995 at the age of ninety

A number of the Pacific Islands are volcanoes that have pushed up from the ocean floor, the others are the tops sunken mountain ranges

Electric motors range in size from the tiny mechanisms that operate sewing machine to the great engines in heavy locomotives.

In the United States, about 75 percent of the total tomatoes crop is processed into juice, caned tomatoes, sauces, pastes, and ketchup.

When T.S. Eliot’s “The Wasteland” appeared in 1922, critics were divided as to how good it was written

As the plane went more faster down the runway, David began to sweat nervously.

Marta being chosen as the most outstanding student of her campus made her parents very happy.

A calorie is the quantity of heat required to rise one gallon of water one degree centigrade at one atmospheric pressure.

Before bridges were built, all transport across major rivers in the area were by ferryboat.

At the awards banquet, the philanthropist was recognized for his generosity and careful in aiding the poor.

The columnist feels sure that who wins the election will have the support of both parties

They are going to do the test tomorrow, _    ?

With cable broadband, you can go from one web page to another much quickly than you can. With a dial-up modem or DSL, and you can load web pages more readily.

If drivers obeyed the speed limit, fewer accidents occur.

Without the life-jackets, most passengers _____ drowned in that accident.