The word “scuba: is actually acronym that comes of the words “self-contained underwater breathing appara”

American pioneers did water systems from logs with hole bored through their center.

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

Bats use echoes of their own high – frequency  to detect food and avoiding obstacles.

Some methods to prevent soil erosion are plowing parallel with the slopes of hills, to plant on unproductive land, and rotating crops.

The Homestead Act of 1862 granted 160 acres of land for any settler who would spend five years on  land

Lewis and Clark had been gone such long on their expedition that many thought they were dead.

There is not equivalent to this word in any other language.

When you passed the town hall clock, you notice what time was it

In the architecture, a capitalis the top portion a colum.

Either humans and animals learn by experience, and what is learned influences the plannin and carrying out of simple actions.

Astronomers do not know how many galaxies there are, but is thought that there is millions or perhaps billions.

Near equator, the slant of the Sun’s is never great enough to cause temperature to fall below the freezing point .

Dislike us , they are not very interested in sport and fitness activities.

The shore patrol has found he body of a man who they believe to be missing (marine biologist.

Early balloonists remained aloft in air for relatively short periods

A teacher at the school acknowledged that, despite government sponsored endeavors to improve classroom performance, an extraordinary high percentage of their students gain admission to higher education.

A progress has been made toward finding a cure for AIDS.

Physiologically, the period of adolescence is marked by active growth, especially in the skeletal and muscular systems andcertain

Runner Wilma Rudolf win three gold medals at the 1960 Olympics, and she set the world record in 100 – meter dash in 1961.

My sister and I do not study at the same school. That is reason for why my father has bought two bikes