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http://www.youtube.com/watch?v=BCHhwxvQqxg&feature=related Water. The Water Cycle. Image source: cd7.e2bn.net. http://www.youtube.com/watch?v=0_c0ZzZfC8c. http://www.epa.gov/ogwdw/kids/flash/flash_watercycle.html Tutorial.

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The Water Cycle

Image source: cd7.e2bn.net







A drop in the bucket
“A drop in the bucket”

  • How much of Earth is water?

    • 70%

  • Where is most of this water found & can we drink it?

    • ocean, is salty so can’t drink it

  • Of non-salty water-is this all available for consumption?

    • No, mostly frozen

  • Is this non-frozen all available for humans?

    • No, some in clouds, plants, soil, and other animals

  • How much is available for humans?

    • 1 drop = 0.003%


Transpiration accounts for approximately 10% of all evaporating water.

Stomata (“leaf openings)



Carbon Sinks:

Image source: http://www.co2logic.com/


The Cycling of Water andCarbon

Respiration

  • Main Ideas:

  • The reactants in photosynthesis are products of respiration


The Cycling of Water andCarbon

Photosynthesis

Respiration


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