The invention of the Silicon chip in the 1960s has revolutionized the computer industry

In some species of fish, such the three-spined stickleback, the male, not the female, performs the task of caring for the young.

Rainwater carries unused chemicals from fields into streams or lakes, where various compounds promote the rate growing of weeds.

The most common form of treatment it is mass inoculation and chlorination of water sources

Cosmic distance is measured on light -years.

There is not equivalent to this word in any other language

The us mint makes frequently coins from cheap alloys that are worth far less the value stamped on them.

Unexplode bombs buried deep in the ground have been found in the construction site opposite of the City Hall.

Staying in a hotel costs ______ renting a room in a dormitory for a week.

Many people have found the monotonous buzzing of the vuvuzela in the 2010 World Cup matches so annoyed

Most presidential candidates have their names print on the ballot in the New Hampshire primary election because it is customarily the first one in the nation, and winning it can give a good chance to be nominated by their parties.

Kansas City, which grew out of the consolidation of many small towns, is locating at the confluence the Kansas and Missouri Rivers.

I’m trying to save up for a trip to Canada, so I can’t afford buying much at the moment.

The refugees are very much upset because they have been deprived from their homeland and their families.

When actively hunting, a dolphin sends out transmitting about five signals every second

She's not only beautiful_________ intelligent.

In my judgment, I think Hem is the best physicist among the scientists of the SEA region

It was a terrible journey. _______, we got there safely in the end.

For they, the biggest success was winning the golden prize.

The ozone layer must be protected because it shields the Earth from excessive ultraviolet radiations

They took the coffin with the captain’s body and carrying it to the cemetery to bury him.