What is the study of earthquakes and seismic waves that move through and around the earth

Which statement best describes what the symbolism in this passage from everyday use by alice walker reveals about the narrator character

If we represent the solar system on a scale that allows us to walk from the sun to pluto in a few minutes, then a) the planets are microscopic and the stars are millions of miles away. b) the planets are the size of basketballs and the nearest stars are a few miles away. c) the planets are marble size or smaller and the nearest stars are thousands of miles away.

What body of water is the second cataract of the nile river submerged under