Answer:
B. a chemical formula
Explanation:
I believe this is a chemical formula
It's been a while since I've done chemistry. Sorry, this is late, and hope you still have time. Also sorry if this is wrong, but I Hope This Helps!
A
I looked up aromatic hydrocarbon and this one looks like a replica of benzene
John Dalton is the correct answer.
Answer: think a
I think u understand this answers
oxygen is in gaseous state at this temperature
