Inventing by Roger Bacon, the magnifying glass led to the creat of other scientific tools which have produced immeasur scientific progress.

He _____ the death penalty if he were found guilty. 

Bacteria lived the soil play vital role in recycling the Carbon and Nitrogen needed by plants.

The ozone layer must protected because it shields the Earth from excessive ultraviolet radia

Choose the letter A, B, C or D to complete the sentences. "20 percent of the population had attended college _____had no degree"

We must be very careful with sensible issues such like this, to avoid giving offence.

Choosethe word(s) CLOSEST in meaning to the following word(s)."get over"

Choose the correct answer to complete the sentence. "Some of the young homeless may sleep _______ in the open in such places as the "cardboard city”"

If the water le has raised a little higher, dam would probably have broken

One responsibility (o beings is not to interfere with the actions of another people except the face of injustice.

I haven’t decided yet about either to buy new car or second-hand one

If I didn’t have exams next week, I ............ camping with you this weekend.

Mosquitoes will accepts the malria parasite only one stage of the parasite’s complex life cycle.

The basic elements of public-opinion research are interviewers, questionnaires, tabulate equipment, and to sample population.

Most sand dunes are always in motion as wind pushes sand upward one side of each dune, over op, and down the other si.

In winter it is important for farmers to provide food and warm their animals.

In the 1800’s store owners everything from a needle to a plow, trust everyone, and never took inventory.

To those who favorite free trade, the revive of barter can suggest nothing less than a disaster

Although almost all insects have six legs, a imma insect may not have any 

Mining over 2,000 years ago, copper one of the earliest known metals.

Patrick was late getting home last night, and unfortunately, dog barking woke everyone up.