My city stops the flow of water, creating a reservoir and raise the flow of water.

The biologist found some pollutants, a little of which can be considered very harmful to fish and other living organisms in the river.

Many birds will, in the normal course of their migrations, flying more than three thousand miles to reach their winter homes.

The patient who was not supposed to be released until the end of the week was told to dress in clothes and report to the nurses’ station.

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

Nuclear powers production in the us is controlled by the Nuclear Regulatory Commission [NRC].

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

Although there are more than 2,000 different variety of candy, many of them are made from a basis boiled mixture of sugar, water, and corn syrup

A dancing is the oldest and liveliest of the arts.

Ethics is the branch of philosophy that deals with the values of life in a coherent, systematic, and science manner.

If you ____ Mary by chance, please give her my phone number. 

Afterwards I’d read the manual, I found I could use the computer easily

Lassen National Park, the situation of a dormant volcano, is one of the most beautiful but least visited parks in the western United States.

.................. Mekong River is .............longest river in.................... Vietnam. 

From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

Jessamyn West’s first and most famous novel, the friendly persuasion, describes the life of the Quaker farmed family in the mid-1800’s.

Choose the correct answer to complete the sentence. "These companies were accused of having released a ____ amount of carbon dioxide into the atmosphere."

I don’t feel as tired after a train journey so I do after a car journey

The organizers of the charity were more than surprised at how many people lined up to receive the clothes donating by the outdoing mayor.

That lecturer, his name I have forgotten, is very well-known

Nomadic hunter and gatherer societies have access to only a limited amount of food in an area and moved on when they have exhausted each locality.