So far most a million difference specie of insect have been identified and named.

Each chemical element is characterized to number of proton that an atom of that element contains, called its  atomic number

A factor in the formation of desert are  high mountains, which shield he region, from rainfall .

Angela is not only a capable reporter …………. a promising writer. 

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

Choose the correct answer to complete the sentence. "This CEO of Global Movement of Moderates (GMM) is not ______ down ASEAN"

They asked us, Henry and I , whether we thought that the statis had been presented fair and accurately.

Hawaii’s eight major islands and numerous islets form the only statethe United States that is not lie on the mainland of North America.

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

For thousands of years, people have used some kind of refrigeration cooling verages and preserve edibles 

Gunpowder, in some ways the most effective of all the explosive materials, were mixture of potassium nitrate, charcoal, sulfuric.

The singer was ______________ on the piano by her sister. 

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

If the Oxygen supply in the atmosphere was replenished by plants it would soon be exhausted .

After driving car for ten miles, John suddenly realized that he been driving in the wrong direct.

Esperanto is an unique language because it was created by a man called Ludw Zamenhoff.

Choose the correct answer to complete. "It is no use ____ she that she doesn't need to lose any weight"

Ballet performers must be believable actors and actresses as well as experts.

The National Basketball Association will not let any athlete to continue playing league unless he submits volunteer to treatment for drug addic.

A dancing is the oldest and liveliest of the arts.

The results of our marketing survey show that there will be quite demand for electric cars the ahead years.