The authorities are worried the increase of drug abuse.

P.T. Barnum opened his own circus in 1875 and becomethe most famous showman of time 

Her hair is _____

Cosmic distance is measured on light -years.

The world would look different if human eyes were sensitive to infrared radiation.

Not until ecent has interest in synthetic fuels been revived.

Because not food is as nutritious for a baby as its mother’s milk, many women are returning to the practice of breast feeding

Because of its vast tracts of virtually northern forest, Canada has one of the lowest population density in the world.

The various parts of the body require so different surgical skills  many surgical specialities have developed.

Sheep have been domesticated for over 5,00 years ago.

Composer John Cage, used many unusual objects as instrument in his music, including cowbells, flower pots, tin cans saw blades.

Many birds will, in the course of their migrations, flying more than three thousand miles to reach their winter homes.

So  when Whitman returned to Pacific, over thousand settlers went with him.

No one would have attended the lecture if you told the truth about guest speaker

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

He wasn't able to cope _____ the stresses and strains of the job.

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

In July of 1975, the first US-Soviet joint ……… occurred with the Apollo-Soyuz project.

She got up when the alarm went _____. 

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

The environment can be defined as all living and nonliving items in an area at a specify time.