While searching for the wreckage of a unidentified aircraft, the Coast Guard encountered severe squalls under sea .

There are small……………………….between British and American English.

Forgetting something usually mean an inability to retrieve the material that is stored somewhere in the memory.

Each chemical (element is characterized to the number of protons that an atom of that element contains, called its atomic number.

The Red River, so named because of the red-colored sediment it carries, it i of the main branches of the Mississippi.

The sun contains 99.9 percentage of the mass of solar system.

The federal government recommends that all expectant women will not only refrain smoking but also avoid places where other people smoke

Mobility is one of the characteristics often demanded of executives, and they must accustom themselves to move as regularly.

Diseaseis not widespread than before because of better preventive medicine and vastly improved nutrition.

Without alphabetic order, dictionaries would be impossibility to use.

It’s been brought to my attention that there has been a number of thefts from office.

Marie Curie, a famous Polish physician, won a Nobel Prize when she discovered radioactive metals Radium and Polonium.

A pharmacist’s ethically standards have to be high because he is entrusted to storage and distribution of dangerous drugs.

The nitrogen makes up over 78 percent of the Earth’s atmosphere, the gaseous surrounding planet.

Agronomists study crop disease, selective breeding, crop rotation, and climatic factors, as well content and erosion.

Some of the milk I bought last night ........... not fresh anymore. 

With animals both human, chewing help relieve tension

Nobody bothered with telling me that the school had decided to have special holiday on Friday

The term “metabolism” refers to the chemical changes which by iving things transform food into energy.

Generally speaking, a magnitude 1.0 earthquake on Richter scale is detected by instruments not by person 

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