The waste from the chemical factory is extremely .......

Choose the correct answer to complete the sentence. "Global warming occurs when the greenhouse gases in the atmosphere trapthe heat_______ the sun"

This ticket doesn't cost a lot, _    ?

Had I known the carpenter was going to take three days to show up, I ___________ the materials and done the work myself. It would be finished by now. 

Choose the correct answer to complete the sentence. "The increase in earth's temperature can _____ heat-related illnesses"

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

Every scientist knows that gravity is the force that maintains the earth and the planets in its orbits around the Sun

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

Per capita income is a nation’s entire income dividing by the number of people in the nation

Because of it consists only of a relatively short strand of DNA protected by a shell of Protein, a virus cannot eat or reproduce by it self.

Inventing by Roger Bacon, the magnifying glass led to the creation of other scientific tools which have produced immeasurable scientific progress.

The Medal of Honor is the higher award for military bravery that can be given to any soldier of the United States

Few people realize that the musician of the national anthem of the United States originally belonged to the British drinking song.

When scientists discovered how soap works, it became possible to do synthetic detergents out of Petroleum.

A City University Professor reported that he discovers a vaccine which has been 80 % effective in reducing the instances of tooth decay among small children.

I am not related to this man in any way. He is neither a member of my family or a friend of mine .

I’m so tired; I’m finding it difficult in keeping my mind on my work.

Being the biggest expanse of brackish water in the world, the Baltic Sea is one of special interesting to scientists.

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

Those of  you who signed up for Dr. Daniel’s anthropology class should get their books as soon as possible.

The mayor and the council, meeting at the city hall as usual, they did not discuss the proposed new sports complex as planned .