Explain james polk’s position on the war with mexico.

How do the various countries in east asia meet their power needs? give specific examples

What causes heat transfer in fluids

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