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Chapter 13 Vocab
| Term | Definition |
|---|---|
| Carbon cycle | the series of processes by which carbon compounds are interconverted in the environment. |
| Element | each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number |
| Fossil fuels | a natural fuel such as coal or gas, formed in the geological past from the remains of living organisms. |
| Greenhouse gasses | a gas that contributes to the greenhouse effect by absorbing infrared radiation, e.g., carbon dioxide and chlorofluorocarbons. |
| Phosphorous cycle | the chemical element of atomic number 15, a poisonous, combustible nonmetal which exists in two common allotropic forms, |
| Asthenosphere | the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur. |
| Cleavage | cell division, especially of a fertilized egg cell. |
| Core | the dense central region of a planet, especially the nickel–iron inner part of the earth. |
| Fracture | the cracking or breaking of a hard object or material. |
| Lithosphere | the rigid outer part of the earth, consisting of the crust and upper mantle. |
| Luster | a gentle sheen or soft glow, especially that of a partly reflective surface. |
| Streak | a narrow line of bacteria smeared on the surface of a solid culture medium. |
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kayleyspielvogel
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