What would happen to the fish if a lot of algae grew all of a sudden and then died

It would probably kill the fish

Most likely nothing unless Algae was the fish's main source of food though it could cause a rise in Ammonia levels in the water.

The electoral college consists of 538 electors. a majority of 270 electoral votes is required to elect  the president. your state's entitled allotment of electors equals the number of members in its congressional delegation: one for each member in the house of representatives plus two for yoursenators.congress does the electoral college represent