Time left 1 in 1800, earth had ______ billion people 2 10 1 6 2 this is an example of developing countries USSR USA INDIA AUSTRALIA 3 population growth is measured by doubling time total fertility rates infant mortality rates all the above 4 on 11th may 2000 india became ________ 2 billion 1 billion 1.5 billion 0.5 billion 5 every second on an average ________ children are born 2-3 3-4 4-5 5-6 6 according to him human population tend to grow at an exponential rate whereas food production increases very slowly karl marx darwin malthus crick and watson 7 kerala model refers to rain water harvesting population and literacy solid waste management forest management 8 UN family planning agency provides funds to 100 countries 150 countries 125 countries 135 countries
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