Name 3 disadvantages of sumer's natural environment?

Which is the first surface that has the potential to come into contact with solar radiation? a. icebergsb. cloudsc. the oceand. land

What events caused the united states to intervene in southwest asia?

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