8. What has kept the world's population in check for most of human history?desiease, famine, and other things.9. Why did the population boom starting in 1800?more medicine to stop dieing10. What did Malthus say the problem of population growth is?the power of population is greater that the power of the earth to product subsistance to demand11. How many people lack access to safe drinking water in the world?1 billion12. What is the importance of water to people and Earth?people need water to live13. Why not just desalinate sea water?extreamily expensive, daminging to seas.14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?taught indians and mexicans how to modern farm.15. What are some developed countries doing in developing countries in regards to farming?farming on their land.16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?stop comsuming resources, change technology, reduce population growth.17. What did China and India do in the 1970's to try to reduce population? Which country was successful?1 child polpicy, china.18. What two things are very important to women(and men as well) in helping bring down the fertility rate?education and medical technology
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