Choose the best option:

The area is roped off because the water is seriously polluted.

Most of the magnesium used in the United States comes from the sea water.

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

Choose the correct answer to complete the sentence. "With clear evidence, his company couldn't deny having _____ a large quantity of toxins into the sea."

Commercial letters of credit are often used to financing expor trade, but they can have other uses.

People in this region cultivate mainly rice and vegetables.

All the students are looking forward spending their free time relaxing in the sun this summer.

No matter what different, various music types have one thing in common: touching the hearts of the listeners.

For thousands of years, people have used some kind of refrigeration cooling beverages and preserve edibles

Do you ever feel that life is not being fair to you because you cannot seem to get the job where you want or that really suits you?

Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potassium nitrate, charcoal, and sulfur

Canada is made up of ten provinces and two territories, with governmental powers being divided between the federal government or the provinces.

Choose the correct answer to complete the sentence. "The ______ way to do this was to expose the food to sun and wind"

Believed that Jack had got home safely, we felt relieved.

The steam engine is usually thought of as a relative modern invention, but the Greeks built a kind of steam engine in ancient times

Chicago’s Sears Tower, now the taller building in the world, rises 1,522 feet from the ground to the top of its antenna.

The shore patrol has found the body of a man who they believe to be the missing marine biologist

If I had known that you couldn’t eat eel, I ____ bought it. 

A calorie is the quantity of heat required to rise one gallon of water one degree centigrade at one atmospheric pressure.

It is a common knowledge that Douglas intends to retire at the end of the season

Electric lamps came into widespread use during the early 1900’s and have replaced other type of fat gas, or oil lamps for almost every purpose.