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| Central core of an atom that contains protons and nuetrons. |
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| All material in the universe that has mas and takes up space. |
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A combination of 2 or more atoms of the same types or of different types joined by covalent bonds. |
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A substance composed of atoms of two or more different elements.
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| Organic compounds containing only hydrogen and carbon. |
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| A mixture in which all the ingredients are evenly distributed. |
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| Proteins, nucleic acids, carbohydrates, and other large sized molecules. |
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| Organic compounds made up of carbon, hydrogen, oxygen, and nitrogen. Used for muscle and tissue support. |
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| Macromolecules that direct protein production. |
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| Polymers that consist of atoms of carbon, oxygen, and hydrogen. |
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| A chemically diverse group of macromolecules that are classified together because they don't dissolve in water. |
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| Describes the acidity or alkalinity of a substance. |
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| When an event is both a cause, or input and an effect, or output. |
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| The removal of soil by wind, water, ice, or gravity. |
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| Thin layer of relatively cool rock that forms the earth's outer layer on dry land and on the ocean floor. |
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| A layer of very hot, but mostly solid rock. |
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| Center of the earth, made up of outer core, molten iron and nickel, and the inner core, dense ball of solid metal. |
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| Large plates of lithosphere that rest on top of the asthenosphere. |
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| Features such as mountains, islands, and continents. |
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| The movement of eroded soil or sediments from one place to another. |
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| The conversion of a substance,ie. water, from a liquid into a gas. |
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| The release of water vapor by plants through their leaves. |
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| The return of water to the earth, snow, rain. |
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| The change of a gas back into a liquid. |
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| Large underground reservoirs or storage areas. |
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| Freshwater found underground. |
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| LAW OF CONSERVATION OF MATTER |
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| Explains why the amount of matter in the environment stay the same as it flows through matter cycles. |
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| Matter that organisms require for the life process. |
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| The complex cycle of nutrients through the environment. |
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| Plants and algae that produce their own food. |
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| Plant process of making food by using the sun's energy. |
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| Organisms that must eat other organisms to obtain nutrients. |
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| Organisms such as bacteria and fungi that break down wastes and dead organisms. |
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| The process by which organisms use oxygen to release the chemical energy of sugars and and release CO2 and water. |
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| The process that occurs when large amounts of phosphorus to bodies of water, which causes overgrowth of producers. |
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| The conversion of nitrogen gas into ammonia |
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