Difference between the three types of rainfall

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

What is the pattern of urbanisation around the word?

Explain how earths tilt and revolution around the sun affects weather and climate