Choose the correct answer to complete the sentence. "These companies were accused of having released a ____ amount of carbon dioxide into the atmosphere."

Long prized for its medicine value, ginseng these days has become the most common of energy-boosting drinks particularly for high- performance athletes.

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

From the airplane, passengers are able to clearly see the outline of the whole island

She thinks they will come, _    ?

There is evidence that the caribou originated into North America and crossed over all land bridge into Asia and evolved into the Old World’s reindeer.

All almost the electricity for industrial use comes from large generators driven by steam turbines.

The need for a well-rounded education was an idea espoused by the Greeks in time of Socrates.

The Library of Congress, located in the nation’s capital, houses history documents and photographs as well as most books published.

Sorry, I can't find the number. I remember writing it on ............. back of an envelop. 

The factory was fined for ...... chemicals into the river.

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

Scuba diving is usually carried out in the ocean in that people can explore the underwater world.

It is large island, few people live there, though.

Without alphabetical order, dictionaries would be impossibility to use

The Texas Panhandle region, in the Northwestern part of the state, produces more wheat, cotton , and grain sorghum than any of other area of Texas.

You don't love me anymore, _    ?

It was  Mary Anderson, an amateur invention, who first patented windshield wipers for automobiles

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

What exactly is the influence of air pollution ...... human beings?

He said “Good morning ” in a most friendliness way.