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Population (Since 1650, probably the longest period exponential growth of…

- - - - Earth's carrying capacity 10-15 billion
  - - - 7.6 billion people on earth
        
        Population grows 1.1% per year
    - - Not enough resources
        
        By 2043 9 billion people
        
        China, India, U.S, Indonesia and Brazil, have the most people
  - - - Agriculture
        
        Medicine adavances
        
        Sanitation
- - - - Humans
  - - - Carbohydrates and fats- Used as fuel to keep the body going
      - Protein- Use to build new parties and repair old parts of the body.
      - Vitamins and minerals important to our body
      - Calcium- builds strong bones
      - Grains wheat, cereal, and high carbohydrates
      - Fruits- rich in vitamins and minerals
      - Vegetables- good source of vitamin and minerals
      - Protein- Meat, fish, beans, and nuts high in fats.
      - Dairy- Made from milk protein and calcium
- - - - Only make what you need
      - Use the sun, own labor and large animals
        
        Smaller impact on the envrionment
      - Practiced in 3rd world countries
    - - Most common in wealthy nations
      - Use machinery that consumes energy
      - Uses fertilizers, pesticides, irrigation, and consumes more waste
      - Few workers needed
      - 11% of earth covered in farms
        
        25% used for gazing
        
        Requires large amount of water
        
        Plantation, grows large amounts of single crops
        
        Ex- bananas, cocoa, and coffee
  - - - Breed for humans
- - - - Species that reproduce in a way that leads very fast growth
    - - Species only have a few babies they invest heavily in them