<span>B. Indefinite
it means </span><span>not clearly expressed or defined; vague.</span>
Character Versus Character: Juan and Rufus both liking the same pair of shoes and being unable to agree on who should get them
Character Versus Nature: Jessica and the unexpected blizzard
Character Versus Society: Pippa being made fun of by her classmates
Character Versus Self: Rob unable to decide whether he should talk to Susan due to fear of rejection
<span>Since
there are no choices available I would assume that this is the answer. With the
settlement of people from fertile areas, knowledge of agriculture spread by
constant migration. During the early days, people thrived in their community
when there is fertile soil available for all forms of agriculture. But once the
land had been used up, people start to migrate to different locations where
they can possibly get their new food sources, thus knowledge of agriculture
spread into different areas. </span>
