CHEMISTRY
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Grammar - विलोम शब्द
Population
• WELCOME CLASS-8 POPULATION. • Population – refers to the total number of people inhabiting in a specific area. • https://www.youtube.com/watch?v=F7OFGhRIHKw POPULATION AND RESOURCES. • Population and resources are unevenly distributed. • Large population is a strain on limited natural resources. • Demography-social science that deals with the study of human population. • The current population growth rate is 1.11% • The growth rate shows decline from 1.18% per year in 2016. POPULATION GROWTH RATE. https://www.youtube.com/watch?v=R2yPeLJsPOo POPULATION DISTRIBUTION. • Population distribution means the population is spread across the World. • 7.6% of population is concentrated in only 20%of land area • https://www.youtube.com/watch?v=LZkXSV9nrzU POPULATION DENSITY • Population density means the number of people per square kilometre . • In less developed countries- density is higher. • Density= Total population/Total area. • Factors ...
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