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Agrarian society: the concept and the main features

Economic interests

The political system of society

Discussion - a democratic form of doing business conversation

Immaculate Conception in the animal kingdom and in humans

Genealogical classification of languages: the basic principles and features

World Water: source of life for the planet

Types of social institutions and their functions

Deoxyribonucleic acid.

Relative truth and absolute truth.

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A man of high society - is, as a rule, a person belonging to the nobility
The lessons of history.
Manual, mechanical and hydraulic guillotine.