On this map, the student services office is indicated by a. A black square
b. A car symbol
c. An arrow
d. A person symbol

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted

Which types of seismic waves travel through earths interior? select all that apply. a) l waves b) p waves c) s waves