It has been found that length of light or dark periods influence certain activities of flowering plants 

Until recently, photocopy machines were regarded strict as business and professional office equipment that required a lot expensive service

Science and technology are part of the knowledge of educated people.

I noticed we were running lowly on petrol after we had passed the last filling station

The British national anthem, calling “God Save the Queen”, was traditional song the 18th century.

Our primary goal is to teach students to discover (truth. But we have also other aims, such as providing them with knowledge or to teach the work consciously

To see the statue of Liberty and taking picture from the top of the Empi State Building are two reasons for visiting New York City.

Concorde can fly across Atlantic without refueling and carrying 11 tons freight

Balloonists remained aloft in the air for relatively short periods

Ancient people used pot for cook, store food, and carry things from place to place

Snapping turtles are easily recognized because of the large head, the tail and the shell that seems unsufficiently to protect body.

Find mistakes and correct

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

So far most million different species of insect have been identified and named

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

Government money appropriated for art the 1930’s made possible hundreds of murals and statues still admiration in small towns all over Unites States

In the 1920s, Tulsa had a higher number of millionaire than any other U.S. city.

How much times did Rick and Jennifer have to do experiment before they obtained the results they had been expecting ?

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

Before bridges were built, all transport across major rivers in area were by ferryboat.

In order no money would be wasted, we had to account for each penny we spent.

All root vegetable grow underground, and not all vegetables that grow underground are roots.