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.
Carbon is found in combination in hydrocarbons (methane gas, oil, and coal), and carbonates (limestone and dolomite). OCCURRENCE: Carbon ranks nineteenth in the order of abundance of the elements comprising about 0.2% of the earth's outer crust. In the earth's atmosphere, carbon is present as carbon dioxide.Though it is widely distributed in nature mainly in the combined form, only minor amounts are found in the free or elemental state. It is present as main constituent of all animal and vegetable matter.arbon is found in combination in hydrocarbons (methane gas, oil, and coal), and carbonates (limestone and dolomite). OCCURRENCE: Carbon ranks nineteenth in the order of abundance of the elements comprising about 0.2% of the earth's outer crust. In the earth's atmosphere, carbon is present as carbon dioxide.