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What is the importantence of the carbon and nitretan cycles in the environment
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The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen
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What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water
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Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false
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How are bacteria cells different from human cells?
A
Bacteria cells do not contain a cytoplas...
Bacteria cells do not contain a cytoplas...
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