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CAMPBELL BIOLOGY CHAPTERS 2 EXAM Q’S AND A’S
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--3November 20252025/2026A+Available in bundle
- CAMPBELL BIOLOGY CHAPTERS 2 EXAM Q’S AND A’S 
 
matter - ANSWER-anything that has mass and takes up space 
 
element - ANSWER-any substance that cannot be broken down into simpler substances by chemical reactions. (92 elements are recognized, 25 are essentil for life) 
 
compound - ANSWER-consisting of two or more substances or ingredients or elements or parts combined in a fixed ratio. 
 
trace elements - ANSWER-Elements required by an organism in only minute quantities 
 
atom - ANSWER-th...
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