..................... around stones that are sun warmed, even the smallest of stones creates tiny currents of warm air.

A coral reef, a intricate aquatic community of plants and animals, is found only in warm, shallow, sunlit seas.

Depsite its wide range of styles and instrumentation, country music has certain common features ................ its own special character.

Gone With the Wind, the epic novel about life in the South during the Civil War period, took ten years write.

Wherever there is plenty of rain during the growing season, life is ............... in various forms.

Since it lives in the desert, the collared lizard depends from insects for water as  well as for food.

Light rays what enter the eye must be focused onto a point on the retina in order for a clear visual image to form.

Most of ................... archaeologists know about prehistoric cultures is based on studies of material remains.

In her time, Isodora Duncan was ............... today a liberated woman.

The extraordinary beautiful orchids makes them the basis of a multimillion dollar floral industry.