Answer/Explanation:
A full stop, in relation to English, is a punctuation mark intended to end a sentence when it is not an exclamation or a question. The period (.) is used to indicate a full stop.
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Answer: In fiction or non-fiction, a foil could be a character who contrasts with another character; most of the time it is the hero, to highlight qualities of the other character. In a few cases, a subplot can be utilized as a foil to the main plot.
Explanation: