Answer:
He asks of his future, which then they say that Banquo is lesser than Machbeth and greater, but not so happy, yet much happier.
Explanation:
I would have to say formal, mainly because I looked it up on google.
You randomly select a passage or piece of text from something such as Homer or the Holy Bible and use it as your oracle.
They could die, cross-contamination from earth, e.t.c
Answer:
Convex = outward, Concave = inward
Explanation:
Concave is like a cave in that it goes inward, and convex is just not concave