carbon+cycle


 * the carbon cycle**media type="youtube" key="U3SZKJVKRxQ" height="344" width="425"
 * carbon dixide is an important green house gas
 * carbon cycle main tains the balance of CO2 in the atmosphere
 * for EX. the deep ocean is considerd a carbon sink cause it removes CO2 from the atmosphere
 * people have to use less carbon gas
 * carbon gas =globle warming

Carbon cycles constantly between land, oceans, and the atmosphere, although its residence time in various reservoirs can vary greatly.