Angličtina
2,568 referátov · strana 111 z 129
Clothing
One of the most important factors in how people see each other is the clothes they wear. This is especially important to teenagers. Their cl…
Renesance
The word renaissance means rebirth or revival, and the idea of such a rebirth had gained ground in italy ever since the time of Giotto. …
Leisure time activities
Each people need relax. Mainly at the weekend we can see people how they go out from town and travel for relax to their houses on countrysid…
Enviroment
From beginning of human evolution man was transforming the environment for his profit. Nobody cared what his activity do with environment an…
Shopping
Shopping is one of the most common daily activities. Every day we can see plenty of people, both men and women, in various shops. When we go…
Capital
Introduction Factors of production are resources used in the production of goods and services in economics. Classical economics distinguish…
Formation of solar system
Our solar system began forming about 5 billion years ago, when a cloud of gas and dust between the stars in our Milky Way Galaxy began contr…
Thermometer
HISTORY Thermometer is instrument used to measure temperature. The most commonly used thermometer is the mercury-in-glass type, which consi…
Soil erosion
Soil erosion and conservation Main causes of soil erosion Removal of natural vegetation cover to leave the grounnd exposed to the elements…
Black Death
The Black Death was one of the worst natural disasters in history. Between 1347 and 1351A.D., a great plague swept over Europe and ravaged c…
Pyramids in Egypt
During the Old Kingdom, Egyptian civilization really came of age. The power of Egypt expanded considerably through the four dynasties of the…
The role of Oliver Cromwell during the English revolution
Cromwell was born at Huntingdon in central England, on April 25, 1599, in a minor branch of a once-prosperous family. In 1620 Cromwell marri…
The way towards the World War I in Europe
The underlying causes of World War I were the spirit of intense nationalism that spread over Europe throughout the 19th and into the 20th ce…
Hittites
During the second millennium B.C. a group of people known as the Hittites, who spoke an Indo-European language, ruled over the 'Land of Hatt…
Freones
In out lives we use substances called freoens. What are freons? Freons are colorless liquids or gases. They were used as coolants or pressu…
Oxygen
History At the begining, when the sunshine was incidenting on the earth surface, it was impossible to breath atmosphere without the oxygen.…
Chemical and biological warfare
It is use of harmful or deadly chemical or biological agents as weapons of war. These agents can kill many people and are considered weapons…
Biology - spiecies
Species-group of org. with several features in common & can mate to produce fertile offsprings Cell-basic functional & structural unit of …
Biology - fungi
Fungi Eucaryotic,hetero&saprothr.;cell wall(chitin,permeable) ,cell membrane (2- semipermeable);cytoplams;organells: nucleus(2,DNA,protein…
Biology - hormones
Frontal:Adenohypophysa-contrls the function of the other glands in the body; somatotrophin-hormone of growth,disorders in production of soma…