Gunpowder, in some ways the most effective of all the explosive materials, were a mixture of potas nitrate, charcoal, and sulfur.

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

My father is happy because I get  ..........   results at school.

The children soon forgot that  was them, their parents, who had encouraged to continue their education.

The shore patrol has found the body of a man who they believe to be the missing ma biologist.

Society will be havingto change radically to keep pace with technology available.

Choose the correct answer to complete the sentence. "______ disabled and non-disabled people can contribute to our community by doing voluntary work."

Petrography concerns primarily with the detailed description and classification of rocks, whereas petrology deals prima with rock formation

The world oceans have risen on average of 6 inches over the 100 years, which has been considered as an evidence that global warming has an effect.

Choose the letter A, B, C or D to complete the sentences. " I’d rather you didn’t take a noise last night; I ______get to sleep."

Pele encourage Ronaldo to take part in 2012 World cup

A water mole consists of two hydrogen atoms and has oxygen atom.

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: The consequences of the typhoon were disastrous due to the lack of precautionary measures. 

It’s time you went  home, but I’d rather you stay here.

The first village ................. was not far from the capital. 

The medical problems of parents and their children tend to be very similar to because of the heredi nature of many diseases

Stars derive their energy from monuclear reactions that take place in their heat interiors

After a while , the track we have been following became thick underg

There are many different ways of comparingeconomy of one nation with those of another.

The food is  ...........  than the last time I ate it.

If I ________ an Angel, I would try to make happy all the children.