What caln became the ruiling caln of japan

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

The poles appear to be slightly flattened in a robinson projection. question 1 options: true false

Based on current rates the earths human population is expected to grow how much by 2050