Quizlet is a great flashcard site that helps you create your own flashcards, and provides you with some great ready-made flashcards as well. As an ESL teacher, I find it to be very useful, especially for students who are not native speakers and do not have anybody at home to help them with their vocabulary.
The atmosphere, the ocean, and the terrestrial biosphere. Carbon can be found in the earths oceanic and continental crust in different types of stones as well as in the soil from the decay of organic matter.
When looking at the system in this way, we see that the low carbon dioxide values in the Earth s atmosphere are a result of the biologically-mediated movement of CO2 from reactive reservoirs (the atmosphere and ocean) to much less reactive reservoirs (limestones and organic matter).luxes of Carbon between Reservoirs are depicted by the arrows, the numbers represent GtC. (From: IPCC) In the atmospheres of our sister planets, Mars and Venus, carbon dioxide is dominant.