Structure 2

knowledge from the frontiers of research genetic poses difficult problem for policy makers and for society in general.

Since the early 1950's, ... throughout the world has more than doubled.

The oceans are the major source of the atmospheric moisture that is obtained through evaporator.

The atmosphere functions like a greenhouse, admitting sunlight between outer space but preventing heat from escaping.

Richard Wright's Uncle Tom's Children, a collection of short stories, were a critical success when it appeared in 1938.

Fencing, originally developed as a sport in fourteenth century, was included in the first-modern Olympic Games of 1896.

Art Nuveau made in the 1890's when artists did a conscious effort to break with what they regarded as worn-out formulas.

..... Oklahoma is important as a farming state, it is even more important for its rich oil deposits.

An ambassador serves as a nation's highest-ranking diplomacy in another country.

Pawnbroking, or making loans to customers who pledge personal goods as security, is one of the oldest trade known.

The novels of Constance Fenimore Woolson, ...., have special interest for their regional settings.

Migrating butterflies can travel long distant over water.

The different colors of ....... the different temperatures of the starts' surfaces.

No animal seems .... on a diet of peat moss.

While attempting to fly hers plane around the world in 1937, Amelia Earhart mysteriously disappointed.

Since the Sun illuminates half the surface of the Moon, only half the surface ... can be seen from the Earth.

The ordinary chair .... in countless shapes, sizes, styles, and materials.

The principle of hydrofoil is designed is identically to that demonstrated by an airplane wing moving through air.

During a early settlement, pioneers claimed parts of the wilderness by marking trees to establish a boundary.

As a country develops from an agricultural to an industrial economy, the attitude and structures of the family .......

All computers uses binary, or two-valued, digits instead than decimal, or ten-valued, digits to represent and store data

Only a few sounds produced by insects are heard by humans ... most of the sounds are pitched either too low or too high.

Even though he did not attend school until he was twelve, Dr. Samuel was ..... the Nobel Prize in Physics in 1976.

Gas particles move...... when the gas is hot than when it is cold.

Radio, ....., developed from the theories and experiments of many people.

The almond tree which produces the oldest species of nut and is the most widely grown of all nut trees.

Early adolescence is a developmental phase consisting of rapid changes in behavior, psychological, and hormones.

Of 1901 to 1914, acclaimed actor Doughlas Fairbanks appeared on stage in a series of light comedies.

The upper part in a harmonic arrangement ..... by mixed voices is usually written for a soprano voice.

Fran, a paleontology student doing summer fieldwork found a completely seventy-year-old fossil egg near Chateau, Montana

Depth within ancient tombs, 3,000-year-old-peanuts have been found alongside Mummies.

The tree porcupine is found in wooded areas throughout most from North America.

The first school .... the state of Washington was opened at old Fort Vancouver in 1832.

Anthropologists have found evidence that Inuits used to entering their subterranean homes through tunnels.

To date, a small percentage of all glass manufactured in the US is recycled, but markets that are growing steadily.

The widely cultivated all of fruit trees, the apple is second to the grape in its importance as a temperate-zone fruit.

Approximately every nineteen month Venus and the Sun reach their greatest angular separation in the solar system.

Only those insects with high developed, multilensed eyes have good color vision.

Pictures called glass mosaics are made by setting small pieces of colors glass into fresh plaster.

For 125 years after ... initial use at Harvard in 1642, the Bachelor of Arts degree was the only degree awarded.