Oil spills are having a devastating effect on coral reefs in the ocean.

Urban consumers have formed co-operatives to provide themselves with necessities such groceries, Household appliances, and gasoline at a lower cost.

Physiologically, the period of adolescence is marked by active growth, especially in the skeletal and muscular systems and in a certain

Although he was happily married, he preferred spending lately hours at work to spending evenings lately at home

Some of the stiffest competitions the jackals face on the plains of Africa comes from vultures

For many years, people have wondered that life exits elsewhere in the universe.

He was so careless that he left the work half doing and went to the cinema.

This will have a serious effect about agriculture

May I ask who was that man who was leaving the office when we came in?

If the lecture ____ so quickly, we’d have understood his speech.

Our civilization is so commonplace to us that rarely we stop to think about its complexity

A fragrant plant has tiny sacs that makes and stores the substances that give it a pleasant odor.

You aren't doing your homework,  _    ?

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

Choose the correct answer to complete the sentence. "Global warming has ______ impact on water supplies."

Carrie Chapman Call organized the League of Women Votes after successfully campaign for the constitutional amendment that gave women the right to vote.

That lecturer, his name I have forgotten, is very well-known

The weightlifter who allegedly took performance-enhancing drugs have been named today.

You'll be at home tonight, _    ?

Some of plants in this store require very little care, but this one needs much more sunlight than those 

When she retires in September 1989, tennis champion Christine Evert was the most famous woman athlete in the United States