Psychologists at the University of Kansas has studied the effect of the color of a room on people behaviors

Before she moved to California, with much more milder climate, Betty found that her health improved considerably

The Carbon atoms of the diamond are so strongly bonded that one diamond can only be scratched with other diamond.

Either humans and animals learn by experience, and what is learned influences the planning and carrying out of simple action

Friends advise her to stop  doing the housework because her old age.

In 1991, Antonia Novello, the Unites States Surgeon General launched several programs to address rticular problem hat young people have

Since rats are destructive and may carry diseases, therefore many cities try exterminate them

Mary found it hard to concentrate on her work because the noise

In about, experiment psychologist have devoted mamny research to learning than to any other topic.

A dancing is oldest and liveliest of the arts.

Both Mr. and Mrs. Smith are explaining the children the rule of the game.

The evolution fishes is a history of constant adaptation to new possibilities, and a refined these adaptations.

The first thing she did when she got to the hotel was to put her rings and other values the safe provided

With animals both human, chewing help relieve tension

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

There is a hostel the bottom of the canyon where we can stay there.

Petrography concerns primarily with the detailed description and classification of rocks, whereas trology deals primary with rock formation .

Without alphabetic order, dictionaries would be impossibility to use.

Choose the word(s) OPPOSITE in meaning to the underlined word(s): According to WHO, many disabled people still face challenges, discrimination, poverty, and limited access to education, employment, and healthcare.

Although there are new drugs on market, deaths from malaria are being increasing some parts of the world.

Many exercises such as calisthenics, running, or swim involve producing muscle tension through a range of movement that are called isotonics.