Humus is formed during soil microorganisms recompose animal and plant material into usable elements by plants.

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

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is OPPOSITE in meaning to the underlined part in each of the following questions: 

Slavery was abolished in the US in the 19th century. 

If it is kept dry, seed can still sprout up to forty years after their formation.

Choose the letter A, B, C or D to complete the sentences. "We should replace fossil fuels ____________ other renewable fuels such as water, sun, etc."

Choose A, B,C or D on your answer sheet to indicate the underlined part that  needs correction in each of the following questions:

Frank plays tennis worse of all the players

Mark the letter A, B, C or D on your answer sheet to indicate the word or phrase that is CLOSEST in meaning to the underlined part in each of the following questions: 

Give me a not long account of what happened. 

She came in quietly  ................ not to wake the baby.

In The Sociology of Science, now considered a classic, Robert Mortoncusses cultural, economy and social forces that contributed to the development of modern science

The Department of Foreign Languages are ot located in the new building opposite old one

Bill was about average  in performance in comparison with other students in hislass.

Every scientist knows that gravity is the force that maintains earth and the planets in its orbit around the Sun.

Light travels from the Sun to the Earth in eight minuteand twenty seconds.

There exists more than 2,600 different variet of palm trees, with varying flowers, leaves, and fruits.

An electromagnet will remain magnetized only as longer as electricity flows through it .

Most of the magnesium used in the United S comes from the sea water.

The signi of the peace treaty was an event of major importance.

Nylon, a synthetic done from a combine of  water, air and by product a coal , was first introduced in 1938.

A calorie is the quantity of heat required to rise one gallon of water one degree one atmospheric pressure.

The winter storm that raced through the last two day moved east today

Genetic engineering is helping researchers unravel the mysteries of previously incur diseases so that they can get to its root causes and find cures