These engines used being started by hand. But now they are started electricity.

The Homestead Act of 1862 granted 160 of land for any settler who would spend fiveyears on the land

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

Disease is not as widespread than before because of better preventive medicine and vastly improved nutrition

Desert shrubs have tiny leaves that lost little moisture a hot day.

He said “Good morning ” in most friendliness way.

Some heating devices chemist energy like that found in wood and coal into heat energy.

Choose the word or phrase among A, B, Cor D that best fits the blank space :
Meal times are generally set aside for periods of friendly get-togethers, and evenings often consider the crew settling down to watch the ……….DVD movies.

In about, experimental psychologists have devoted more research learning than any other topic.

Polio, one of a group of spinal inflammations, causes fever and paralysis often resulting in disabled and deformity.

Now I _    all day, so it doesn't matter.

I _____ the film last night because I _____ it several times before.

Do you think that  the humans will ever be able to live in other planets?

It is  nearly perfect crystal structure that gives diamonds their hardness, brilliance, and transparent

The central purpose of management is for making action or decision helping achieve a carefully chosen goal.

Lewis and Clark had been gone for such long on their expedition that many thought they dead.

The environment can be defined as all living and nonliving items in an area at specify time.

Running along 180th meridian, the International Date Line is separated day from another

Let’s go, ________?

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

Identify the error in each sentence: If I had breakfast, I would not have been so hungry.