the moon is important because it is the nearest to the earth of all heavenly bodies
Only a small world in space
Harry S. Truman was the thirty-third president of the United States
Born and raised in Missouri
Some bees make the characteristic monotonous noise known as buzzing
by vibrating their wings rapidly
Nicolaus Copernicus, , was born in Zorum, Poland
often considered the founder of modern astronomy
are reacting with one another
Deep in the sun's core, atomic particles
but also it filters out harmful sun rays
Not only does the atmosphere give us air to breathe
Many craters on the earth's surface were probably formed by very large meteorites
smashing into the ground and exploding
Only by employing non-chemical approaches to past control successfully eliminated
will creatures such as roaches and rodents be
Playing a major role in the economic life of the United States, .
women currently make up 46 percent of the work force
James Cook, also discovered the Hawaiian Islands
who explored the South Sea and reached Australia