An atom's nucleus has what kind of charge?

A. Negative.
B. Positive.
C. both of these
D. none of the above


Answer: B

Environmental & Atmospheric Sciences

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Environmental & Atmospheric Sciences

Some planktonic marine organisms, especially those that live in warm water, have unusual appendages to increase their ________

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Environmental & Atmospheric Sciences

____________ possess backbones. Fill in the blank(s) with the appropriate word(s)

Environmental & Atmospheric Sciences

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Environmental & Atmospheric Sciences