Both farming and fishing are long-standing careers that have become difficult to make a good living in, especially with a concern for the environment and the climate. How would the changes discussed in this video impact these careers? Would young people consider these as career options these days?

What happens when two galaxies approach each other? a. they form a black hole. b. they merge because of the strong gravitational pull they exert on each other. c. they shred each other into smaller galaxies. d. they form a supernova. e. they repel each other away because of their strong gravitational pull.