Answer:
oxygen, carbon, hydrogen, nitrogen, and sulfur
Explanation:
I believe it's B: series circuit
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Gold is found in pure state in nature but not the iron because gold is un-reactive metal, so it does not react with other element in normal condition but iron is reactive metal so it reacts with atmospheric oxygen in presence of moist (water) to form oxide.
Explanation:
I hope it'll help you.
It holds its own shape and it’s solid
Answer:calcium
Explanation: calcium is an alkaline earth metal,group 2 period 4