Vanquished means to be conquered or defeated, so it is B. You could say the ememy has been vanquished or conquered.
Plagiarism is taking someone else's work or ideas and passing them off as one's own.
The forms are Direct, Self, Mosaic, Accidental, and paraphrasing plagiarism.
It is such a serious defense because it is a copy of someone else’s work without credit and if you’re faking it as your own, there is big consequences.
Answer:
it helped me to understand nature very well and how to treat the environment
Both would be fine, I prefer to the one that takes most energy first.
if you were writing the essay, I would start with the essay because it uses a lot of energy from your hand.
If you were typing it, I'd start with math because it uses your brain a bit more.
Honestly, I don't really get what you mean by using energy but that was my best.