Answer: It is the first one. First: 3 upper C u right arrow 3 Upper C u superscript 2 plus, plus 6 e superscript minus. Second: 2 upper N superscript 5 plus, plus 6 e superscript minus right arrow 2 upper N superscript 2 plus.
Explanation:
Correct
I feel like it would be C, because headphones are connected to energy as well... I might be wrong
Gypsum has the same hardness as a fingernail
Answer:
<em>reversible redox reaction</em>
Explanation:
