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jonny [76]
3 years ago
8

1. Choose an element (1-20 ) from the periodic table.

Biology
1 answer:
Anna007 [38]3 years ago
3 0
Use carbon... it has 6 protons thus meaning if it's neutral it must have 6 electrons as well
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The papillary muscles contract after the other ventricular muscles so that they can take up the slack on the chordae tendineae b
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FALSE

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