Why is commercial fishing a more important industry in Canada than its employment
numbers would suggest it should be?

How would i answer this for an exam?

What are the answers for the following questions?

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