Each chemical element is characterized to the number of protons that an atom of that element contains, called its number.

Photographs from a satellite are frequently used to generate the information is needed produce a map.

One decibel, which is a  unit of relative loud , is the smallest amount of change detected by human ear

Everyone knows about the pollution problems, but not many people have _____ any solutions. 

Your computer can sometimes let you _____. 

Lawrence Robert Klein received the 1980 Nobel Prize in economics for pioneering the useful of computers to forecast economic activity.

The principal wanted to know the student  ............... the highest mark for the test in geography last month.

One of the students who are being considered for the scholarship are this university.

The bite of the Black Widow spider can be very inflammatory to the affected nerve hospitalization may be required.

After the team of geologists had drawn diagrams in their notebooks and wrote explanations of the formations which they had observed, they turned to camp-side to compare notes

Mary found it hard to concentrate on her work because noise

It was her who suggested that he should go to New York in order to get direct flight.

Janet is finally used to cook on electric stove after having a gas one for so long

Halifax is largest city and chief port of Nova Scotia and is the eastern terminus of Canada’s two railway systems .

The bell signaling end of the first period rang loud, interrupting the professor’s closing comments.

When eggs of some species of insects hatch, newly born insects look almost like its adult counterparts

The Dave Brubek Quartet, of the most popular jazz bands of the 1950s, had a particularly loyal following on campuses college.

After driving a car for miles, John suddenly realized that he has been driving in the wrong direction.

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

Located in Canada, the Columbia Ice field covers of 120 square miles and is 3,30 feet thick in some places

These burgers look good, ________?