Is it mandatory to vote in cuba pls help​

Q4. which are the major components of the environment?

When it is a high tide in georgia, usa, where on earth is another place that is also experiencing a high tide

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