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7.1 Non Renewable Energy - Coggle Diagram

- - - - creates air pollution and can cause diseases
      - taxing the use of coal can cause the change for clean energy
      - coal ashes contain indestructible chemical elements
    - - hydraulic fracturing are high pressure pomps that make water, sand, and chemicals fracture the shale rock to create the way which oil will flow
      - crude oil
        
        products used as raw materials for other products known as petrochemicals
        
        it is heated and separated with different boiling process into different solutions
      - creates water pollution
      - heavy crude oil
        
        shale oil creates water pollution with toxic rock waste
        
        oil sand involves mining and creates ecological damage and steam melts the bitumen
      - does not have a high net energy because it requires too much energy to get extracted