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What does World Development Report say about present rate of growth of India's population?

Why does the author aver that the growth of world population is one of the strongest factors distorting the future of human society?

According to a census taken towards the end of the year 2009, the population of a rural town was found to be 64,000. The census authority also found that the population of this particular town had a growth of 5% per annum. In how many years after 2009 did the population of this town reach 74,088 ?

There are a number of areas of high population density in the world. Why does this happen?

How does hierarchial system of classification help the scientist to unravel the mystery of living world?

How does hierarchial system of classification help the scientist to unravel the mystery of living world?