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The Carbon Cycle

The Carbon Cycle. There can’t be life without it!. Chemistry of Carbon. Atomic Number 6 6 Protons 6 electrons 4 valence electrons. Because of it’s chemistry-. Carbon can bond in chains, rings and other bizarre configurations such as Buckeyeballs .

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The Carbon Cycle

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  1. The Carbon Cycle There can’t be life without it!

  2. Chemistry of Carbon • Atomic Number 6 • 6 Protons • 6 electrons • 4 valence electrons

  3. Because of it’s chemistry- • Carbon can bond in chains, rings and other bizarre configurations such as Buckeyeballs.

  4. Because of its chemistry, all life as we know it is based upon this element. • Carbon must constantly be recycled in ecological systems

  5. The Carbon Cycle • Is really several cycles combined together • To simplify we can separate into terrestrial (land) and aquatic (water) based cycles

  6. Photosynthesis and Respiration • What is the chemical equation for photosynthesis? • 6 CO2 +6H2O -- C6H12O6 + 6O2 What is the chemical equation for cellular respiration? C6H12O6 + 6O2 6 CO2 +6H2O

  7. Plants remove Carbon dioxide from the atmosphere and the process of respiration puts Carbon Dioxide into the atmosphere. • Living things that get buried without decomposition can become fossil fuels • Land based – coal • Ocean based – oil and natural gas

  8. How are Human Activities affecting the carbon Cycle? • Since 1800 and especially since 1950 • World population has soared • World resource use has soared

  9. We have intervened in the Earth’s Carbon cycle in two ways that add extra Carbon Dioxide to the atmosphere • Clearing plants and trees that absorb CO2 through photosynthesis • Adding large amounts by burning fossil fuels and wood

  10. Carbon Dioxide is one of several “greenhouse” gasses. • Models suggest that increases in Carbon dioxide in the atmosphere will enhance the natural greenhouse effect

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