Which of the following could be the equatorial co-ordinates of a star that sets to the south of west when viewed from thunder bay declination -60 degrees, right ascension 20 hours declination 60 degrees, right ascension 13 hours declination -30 degrees, right ascension 1 hours declination 30 degrees, right ascension 6 hours

seismic wave -

an elastic wave in the earth produced by an earthquake or other means.

explanation:

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;