Many young people lack of the skills, good education, and finance to settle in the urban areas where most jobs are found.

There are many ways to preserve fruit, for example freezing, canning and to dry

Mutualism is a relationship between animal species which in both benefit.

To survive , most birds must eat at least half their own weigh in food every day

By studying the fossils of pollen, which extremely resistant to decay, researchers can gain useful information about the vegetation of the past

Thanks to his obstinacy, he achieved what he wanted. If he were discouraged earlier by this failures, he would not have reached his aims.

The average salt content of seawater is more than three percents

There are some wild roses whose flowers smell sweetly.

Jack had to skip breakfast otherwise, he will be late for class.

To his surprise the engine started by the very first try.

My father doesn’t know speak English.

Early balloonists remained aloft in the air for relatively short periods .

The discovery of the antibiotic penicillin in 1928 has not produced antibiotics useful for the treatment of infectious diseases until 1940.

Lawrence Robert Klein received the 1980 Nobel Prize in economics for pioneering the useful of computers to forecast economic activity

You wanted me to tell you about what I was doing here and how was my life .

In the 1920’s, cinema became an important art form and one of the ten largest industry in the United States.

The most substances expand in volume when they are heated

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

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

Choose the correct answer to complete the sentence. "Climate change leads _____ numerous catastrophic consequences"

If I were like you, I’d spend a bit more and buy the hardback version of the book.