Many of the important products obtained from trees, one of most important is wood pulp, which is used as paper-making 

An itch resulting when nerve that can carry pain is only light stimulated.

A thunder usual follows lightning by five seconds for every mile between the flash and observer

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

As a young man, Darwin showed ittle promising as biologist.

Either John or his wife ………breakfast each morning. 

The us mint makes frequently coins that cheap alloys that are worth far less the value stamped on them.

Air pollution, together with littering, are causing many problems our large, industrial cities today.

To remove stains from permanent press clothing, carefully soaking in cold water before washing with regular detergent.

Neither of the answers ……………….. correct. 

The pioneers raised com as their chief crop because they kept well in any season and could be used many ways.

In the 1920’s, cinema became an important art form and one of the ten largest industry the United States.

She promised that she would come, but  she doesn’t .

Either I or they_______ enjoying the party now. 

Nitrogen must be combine with another element such as Hydrogen or Oxygen to be useful in agriculture industry.

What caused the explosion in the factory it is still unknown 

Many people have found monotonous buzzing of the vuvuzela in the 2010 World Cup matches annoyed

Among the world’s 44 richest countries, there has been not war since 1945.

The symptoms (of diabetes in the early stages are too slight people don’t notice them

Some of  stiffest competitions the jackals face on the plains Africa comes from vultures

Psychologist Abraham Maslow argued that humans have unique desires to discover and understand, the giving of love to others, and to fulfill the inners potential