Explanation:
Humanities are academic disciplines that study aspects of human society and culture. In the Renaissance, the term contrasted with divinity and referred to what is now called classics, the main area of secular study in universities at the time. Today, the humanities are more frequently defined as any fields of study outside of professional training, mathematics, and the natural and social sciences.[1]
Answer: Because when Sir Gawain cut off the nights head, the head and reminded him the pact that Gawain had to seek him in a year and a day at the Green Chapel.
I believe it would be in the 3rd sentence
This happens quite a lot in verbs e.g run to running. It is because you double the last consonant in a one-syllable noun for it to become a verb. (Keep in mind there are exceptions to this rule.)