Algebra is the branch of mathematics concerned with operations on sets of numbers or other elements that are often represented at symbols

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

This floor doesn’t need no more wax; there’s plenty already.

It has been reported that during any twenty-four hour period, a minimal of three hundred North American women start their own businesses.

Intelligence , education, and experience all helps to shape management style

The ...... friendly products are designed not to harm the natural environment.

Only averaged about 5 feet above sea level, the Marshall Islands would disappear under the Pacific should the Arctic icepack melt.

People are destroying the air by adding ...... to it.

After George had returned to his house, he was reading a book.

The dentist gave me a check-up and then telling me I needed two teeth.

You don't love me anymore, _    ?

The average salt content of seawater is more than three percents

If drivers obeyed the speed limit, fewer accidents occur.

All the schools throughout of the country underwent the educational reform

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

There are many different ways of comparing the economy of one nation with those of another.

John announced that he could not longer tolerate the conditions of the contract under which he was working.

At the Hermitage, Andrew Jackson’s home in Tennessee, even his glasses have been left exactly where he lay them .

Thanks to his obstinacy, he achieved what he wanted. If he were discouraged earlier by this failures, he would not have reached his aims.

Stars in our universe vary in temperature, colour, bright, size, and mass

President Wilson had hoped that World War I be the last great war, but only two decades later, the Second World War was erupting.