What are the factors that contribute person becoming a refugee?

What is the speed of a vehicle that travels 20 meters in 5 second

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 chemical or mechanical process by which rock is gradually broken down eventually becoming soil