The world would look eerie different if human eyes were sensitive to infrared radiation.

The composer Verdi has written the opera Aida to celebrate the opening of the Suez Canal, but the opera was not performed until 1871 

Pop Art was a movement of the 1950’s and 1960’s whom imagery was based on readily recognized American products and people.

Every society changes, but not change at the same rate or in the same direction .

Nuclear powers production in the us is controlled by the Nuclear Regulatory Commission [NRC].

As the marathon runner reached the half-way mark, he, being hot and was soaked with perspiration, stopped to rub himself down with a towel.

He scored so good a goal that a wild cheer raised from the stands.

As her focus changed, the love poetry that Edna St, Vincent Millay produced in the 1920’s increasing gave way to poetry dealing with social injustice

 I told Mom we would be ...................home in ...................hour or so. 

Public health experts say the money one spends avoiding illness is less than the cost to be sick

Choose the correct answer to complete the sentence. "Global warming occurs ______ the greenhouse gases in the atmosphere trapthe heat from the sun."

The midnight sun is a phenomenon in which the Sun visible remains in the sky for twenty-four hours or longer.

................... blue is .................. color I like. 

Many birds will, in the normal course of their migrations, flying more than three thousand miles to reach their winter homes.

The Humber River and its valley form a major salmon-fishing, lumbering, hunting , and farmer region in western Newfoundland, Canada.

Materials that of clay are among the most ancient manufactured articles and have played a vital role in human civilization.

The number of students attend the class dwindled until only two remained.

Although there are new drugs on the market, deaths from malaria are being increasing in some parts of the world

Choose the correct answer to complete the sentence. "______ they stopped deforestation, it might help prevent global warming"

Muscles are essentially made up by elastic fibers that lend flexibility to the body

Alike other forms of energy, natural gas may be used to heat homes, cook food, and even run automobiles