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Cycles PP.

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Presentation on theme: "Cycles PP."— Presentation transcript:

1 Cycles PP

2 Which of the earth’s sphere’s contains the largest reservoir of CARBON?

3 These are called nodules. You find them on the roots of legumes
These are called nodules. You find them on the roots of legumes. What do they do?

4 Carbon Cycle Atmosphere Biosphere Lithosphere Hydrosphere
Respiration& Decay Photosynthesis Dissolution Weathering & Volcanism Evaporation Biosphere Burial & Lithification Lithosphere Photosynthesis Burial & Lithification Hydrosphere

5 Human Impacts Atmosphere Biosphere Net Effect: Increase in Carbon
Deforestation: Decrease Photosynthesis Increase Respiration Atmosphere Burning fossil fuels: Increased combustion Biosphere Net Effect: Increase in Carbon in Atmosphere Lithosphere Hydrosphere

6 On Earth. .. Matter can occasionally come, but it cannot just “leave”.
We call this a __?___ system.

7 What is the biggest reservoir of Nitrogen?

8 What is one process that “traps” Carbon in a reservoir for a very long time?
Photosynthesis (food making) Cellular Respiration (food breaking c) Weathering (breaking down rock) d) Lithification (turning into rock)

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