The three largest state is, and has been since Alaska’s admission into the Union, California.

Louis Braille designed a form of communication enabling people to convey and preserve their thoughts to incorporate a series of dots which were read by the finger tips.

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

Being a child of  noble birth, his name was famous among the children in that school.

Rice, which it still forms the staple diet of much of the world’s population, grows best in hot, wet land.

The children were playing last night outdoors when it began to rain very hard.

I must say that you have done very well. ________, you should be aware that you still have a lot of thing to learn.

They are ugly and expensive, _______ people buy them.

When the children realized that they were by themselves in the dark, they became really frightening

Some people waste food_______ others don't have enough.

Galaxies are composed of millions of individual stars_______ are so far away that they appear as single pints of light.

A turtle differs from all other reptiles in that its body is encased in a protective Shell of their own.

Sharks can detect minute electrical discharges coming from its preys.

The camp on the inhospitable, mosquito-infested banks of the River Sekonyer, was set up to track the primates and learn from their habitat, diet and behavior.

Most types of dolphins live at less twenty-five years, and some species may reach 50 years of age

He told me not to do it; ________, I did it.

I'm not sure a thank you letter is really necessary. _______, I can't be bothered to write one.

The very first night I was in Australia, I couldn’t have slept until early in the morning

If the water level has raised a little higher, the dam would probably have broken.

Near equator, the slant of the Sun’s rays is never great enough to cause temperatures to fall below the freezing point.

As the numeral of older people increases, services for the elderly will soon represent one of the fastest-growing areas of employment.