1. According to the video, who or what might be the biggest threat to planet Earth?is us2. What effects does overpopulation have on Earth?not enought drinking water and food. There is a lot of polution, and waste. You cannot find the natral world as easily, animals are in danger.3. How does world population growth effect water, food and energy?4. Where is the world's population data held?In the United nations New York5. What is the United Nations?world wide peace keeping organization6. How many people will live on Earth by 2050?9 billion7. Where is the greatest population growth going to take place?Afganistan, Africa8. What has kept the world's population in check for most of human history?by nature if there is plenty of water, food, and shelter, or if there is not.9. Why did the population boom starting in 1800?death rates reduced because of medicen and such10. What did Malthus say the problem of population growth is?the power of population to keep growning is eventually going tothere is not going to be enough food11. How many people lack access to safe drinking water in the world?more that a billion people12. What is the importance of water to people and Earth?people need water to survive13. Why not just desalinate sea water?the by products can damage the seas, and it is really expensive14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?the green revolution produced anti-diease crops and went all over the world and taught ppl how to conserve15. What are some developed countries doing in developing countries in regards to farming?they buy farm land in other countries and they export the food to their countries16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?stop consuming so many reasourseschange our tec.reduce growth of our population17. What did China and India do in the 1970's to try to reduce population? Which country was successful?They set up the one child policy, china18. What two things are very important to women(and men as well) in helping bring down the fertility rate?they be edjucated and birth controll pills
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