Answer:
i think its C sorry if I am wrong
What forms when one oceanic plate is forced beneath another plate is C. a subduction zone.
The name itself can explain it all - the prefix sub- in Latin means 'under,' and given that beneath and under mean the same, subduction zone is the answer you should pick. The other options do not show such a relationship which is why they are wrong.
Is this supposed to be multiple choice?
The three I know of is unsaturated, monounsaturated, and poll polyunsaturated.
There's a trans one too, but it's not natural.
B. because the match contains phosphorus, and it is unlit, so it has chemical POTENTIAL energy