Carbon_H2O-3 - carbon in the marine ecosystem...

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Carbon & Water cycles All living things on are carbon organisms Water is essential for life CO2 gas is responsible for the amount and state of water that exists on
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CO2 gas is responsible for the amount and state of water that exists on planet Earth
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Carbon & Water on this planet cannot be made or destroyed
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Photosynthesis: Carbon in the terrestrial ecosystem Photosynthesis (Carbon atom) Digestion Decompositio
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CO2 + H2O => H2CO3 carbon dioxide + water => carbonic acid H2CO3 + CaCO3 => Ca(HCO3)2 carbonic acid + calcium carbonate => calcium bicarbonate Chemical reactions with rock: taking Carbon ( CO2 ) out of the atmosphere and storing it in the ocean
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Unformatted text preview: carbon in the marine ecosystem Coccolithophores (a.k.a.coccolithophorids): single-celled algae, protists, and phytoplankton Ca2+ + 2 HCO3- = CaCO3 + H2O + CO2 5–100 micrometers Chalk cliffs of Dover, England Foraminiferia (a.k.a. forams): single-celled protists Ca2+ + 2 HCO3-= CaCO3 + H2O + CO2 Coral s a2+ + 2 HCO3- = CaCO3 + H2O + CO2 Colony-living polyps that secrete calcium carbonate to form a hard skeleton Carbon & Water cycles: the importance of Earth’s spheres Carbon & Water on this planet cannot be made or destroyed Condensation Evaporation Precipitation Transpiration Isotopes: following water through Earth’s spheres Warm periods Cold periods Isotopes: following water through Earth’s spheres...
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Carbon_H2O-3 - carbon in the marine ecosystem...

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