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
Answer:
1. D, because plants are the main producers
2. B, because the wind direction makes Seattle coo and dry, and the mountain block some of the wind for Spokane
Explanation:
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All of the chemical reactions in an organism required to sustain life
