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chapters 51 & 52. - Coggle Diagram

- - - - when air rises it is low pressure area, when it cools and falls it is a high pressure area.
        
        elevation acts like moving towards a pole, becoming colder.
      - 30 and 90 degrees is where deserts are generally found. because of the high pressure and dry air.
  - - - solstices are when the earth is tilted to or from the sun, creating the longer and shorter days. they occur during June and December.
      - equinoxes occur when earth's tilt is perpendicular to the sun, occurring in march and September.
    - - the Coriolis affect: the circular patterns caused by northern and southern hemisphere winds blowing in opposite directions.
  - - - Biotic factors: species competing for resources, predators fighting for prey, and prey fighting for food.
      - abiotic: factors: geography, weather, water, and overall environment for a species trying to establish itself.
      - succession is when nature naturally changes.
        
        primary: when bare rock slowly becomes a biome, life first establishing in an area.
        
        secondary: after a disaster or disturbance and life is wiped out/ diminished, new life returns to an area.