PART A (1-15)

The dandelion plant has a straight, smoothly, and hollow stem that contains a white, milky

Of the much factors that contributed to the growth of international tourism in the 1950’ s, one of the most important was the advent of jet travel in 1958.

The Canadian province of Alberta it is believed to have some of the richest oil deposits in the world.

Elizabeth Bishop’ s poems are frequently long and carefully constructed, uses elaborate rhyme or half-rhymes.

California has more land under irrigation than any another state.

Thomas Moran’ s magnificent, colorful paintings onto Wyoming landscapes captured the spirit of the western wilderness in the late nineteenth century.

Emily Dickinson, among the greatest women poets in the English language, died with all of hers poems unpublished, except for seven that appeared in publications of limited circulation

Protecting Florida’ s coral reefs in difficult because some of the corals are very fragile: even the touch of a diver’ s hand can kill it.

Martin Luther King, Jr., is well known for organize the huge human rights march that took place in Washington in 1963

A lightning flash produces electromagnetic waves that may travels along the Earth’ s magnetic field for long distances

One of the earliest plants domesticated in the Western Hemisphere, manioc was introduced to Europe by Spaniards returning from the New

Besides the age of nine and fifteen, almost all young people undergo a rapid series of physiological changes

The frequency of meteors in the Earth’ s atmosphere increases when the Earth passes through a swarm of particle generated by the breakup of a comet

Ponds are noted for their rich and varied types of plant and animal life, all maintain in a delicate ecological balance

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

To improvise effectively, a musician must thorough understand the conventions of a given musical style.

During the Jurassic period plant life was abundance, providing herbivores in particular with a plentiful supply of food.

Some maple trees are raised for their sap, which has a high sugar content for yields sugar and syrup

Long before boats became important in recreation, they were valuable to people for many essential tasks, included transportation and fishing.

Asteroids may be fragments of a planet shattered long ago or from material the nuclei of old comets.

The first Native Americans to occupy   what is now the southwestern United States were the Big-Game Hunters, which appeared about 10,000 C.

Some hangers, buildings used to hold large aircraft, are very tall that rain occasionally falls from clouds that form along the

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

Farms of maize, beans, and tobacco, the Wendat, Native American tribes that inhabited present-day Michigan, lived a sedentary life in densely populated villages.

Recently scientists have apply new tools of biochemistry and molecular biology to investigate the structure of human hair.