Identify the differences between hard and soft engineering coastal management strategies (4m marks)

Physical features of central america look at the map above which of the following is true

The earth rotates on its axis and revolves around the sun every

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