how many people can live on planet earth video.
1. According to the video, who or what might be the biggest threat to planet Earth?
people
2. What effects does overpopulation have on Earth?
less food, over crowding, more homeless people, less jobs, deforestation, population, wars over resources
3. How does world population growth effect water, food and energy?
its going to decrease food and water, they use alot of energy
4. Where is the world's population data held?
United nations
5. What is the United Nations?
world wide peace keeping organizations
6. How many people will live on Earth by 2050?
9 billion
7. Where is the greatest population growth going to take place?
developing
8. What has kept the world's population in check for most of human history?
disease, lack of food, and lack of water
9. Why did the population boom starting in 1800?
indoor pluming, better medicine, more food and clean water,
10. What did Malthus say the problem of population growth is?
demand for food will outstrip supply of food
11. How many people lack access to safe drinking water in the world?
over a billion
12. What is the importance of water to people and Earth?
cleaning ourselves, irrigation, cloths, energy
13. Why not just desalinate sea water?
ton of energy, expensive, and biproducts are harmful to the sea
14. What did Iowa farmer Norman Borlaug do that helped the world's food supply?
ending world hunger by teaching 3rd world countries how to grow more food
15. What are some developed countries doing in developing countries in regards to farming?
they are buying land and planting crops,
16. According to the host of the video, what three things must people do to ensure that future generations have enough food and resources?
reduce growth of population, conserve resources, improve our technology,
17. What did China and India do in the 1970's to try to reduce population? Which country was successful?
china put a 1 child policy but you would pay a fine for more than 1 child, they did this to reduce the population. india had vescetimy festiviles,
18. What two things are very important to women(and men as well) in helping bring down the fertility rate?
education and conserception
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