Toefl written expression

More than half of the potatoes grown in the United States comes from Idaho

Every joint in the human body are surrounded by a fibrous capsule lined with membrane

The dense structure of diamonds are a result of its crystallization under great pressure

Part of the Sahara desert are a series of plateaus averaging 1,000 feet in altitude

Most pulsars are so faint that nobody are able to see them without a very powerful telescope

Nerves in the spinal cord carries signals back and forth between the brain and the rest of the body

Most of the world's great mountain rages has been created by the folding of the earth's crust

Someone standing on the peak of Mount Washington, in New Hampshire, are on one of the windiest spots on Earth

A storm with circulating wind speeds of 73 mph or more are called a hurricane in the Atlantic. a typhoon in the western Pacific, and a cyclone in the Indian Ocean

Some of President Gerald Ford's earlier jobs was as a park ranger at Yellowstone and as a model for sports clothes in Life magazine