Human activities which generate income are known as economic activities.Economic activities are broadly grouped into primary, secondary, tertiary and quaternary activities.Primary activities are directly dependent on environment as these refer…

GROWTH AND DEVELOPMENT Both growth and development refer to changes over a period of time.The difference is that growth is quantitative and value neutral. It may have a positive or…

SEX COMPOSITION- The ratio between the number of women and men in the population is called the Sex Ratio.In India, the sex ratio is worked out using the formula: Female…

PATTERNS OF POPULATION DISTRIBUTION IN THE WORLD The term population distribution refers to the way people are spaced over the earth‘s surface.90 per cent of the world population lives in…