According to some critics, the novels of William Burroughs demonstrate the major hazard of absurd literature, ..................... tendency toward overembellishment and incoherence.

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.

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

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

.................................. no conlusive existence exists, many experts believe that the wheel was invented only once and the diffused to the rest of the world.

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

None two butterflies have exactly the same design on their wings.

..................... 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.