Acarolina chickadee family has made its home in a red maple tree. their tree is an old one. it stands in the middle of a forest. describe a change that could happen in the forest that might hurt the chickadee family. describe another change that might the chickadee family.

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