Negative Feedback

• Suppose there is too much CO2 in the atmosphere

  • The atmosphere heats up.
  • More water evaporates
  • Weathering of rock increases
  • Concentration of ions and carbonic acid increases.
  • More carbonate shells and minerals are made.
  • More carbon is deposited in the crust, reducing the amount of CO2 in the air.

• The helps the Earth to maintain a temperate climate.

Notes: