Atoms that bear a positive or negative charge are known as:

A. ions
B. electrically neutral
C. magnetic
D. lacking nuclei


Answer: A

Biology & Microbiology

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You are given a piece of connective tissue that you observe to be white, firm, and consists of a matrix of collagen. When chemically analyzed, it is found to contain high concentrations of minerals. What kind of connective tissue is this?

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."A change over time" is the definition of

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Plants, algae, and certain prokaryotes are:a

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