Answer:
I'd say the answer is someone who saw the event happened.
Explanation:
I don't know too much about arts but I'd say firsthand would be someone who saw it, the other answer choices do not make sense either. Sorry if this answer and/or explanation did not help.
Answer:
The type of rock with visible layers is <u>sedimentary rock.</u> This is because they are put down in layers called beds/strata.
Explanation: