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Answer:
Iron -> Fe - Group 8
Silver -> Ag - Group 11
Mercury -> Hg - Group 12
Oxygen -> O - Group 16
Gold -> Au - Group 11
Potassium -> K - Group 1
Xenon -> Xe - Group 18
Magnesium -> Mg - Group 2
Hydrogen -> H - Group 1
The biggest difference between prokaryotic and eukaryotic is that eukaryotic cells have a nucleus and prokaryotic cells do not.
The answer is B. Heterotrophs. All animals and fungi are heterotrophs. Hope I helped!
