Misc: What translates high-level languages into machine language?

Questions

Which part of a nerve cell carries impulses away from the cell body??

What scientist is credited with the discovery that there are galaxies beyond our Milky Way?Edwin Hubble?

What term describes how quickly an object moves over a certain distance??

In what song can the following lyrics be found? "Sometimes the snow comes down in June... Sometimes the sun goes 'round the moon."?

Who recorded the following song title? Who Needs Pictures?