If you could return an old rock band to its youth, which would you choose? i choose led zeppelin

There are many great rock bands and many to choose from, so I don’t really know

changeable lenses of different focal lengths allow light to enter the camera, which then forms the image on light-sensitive film" is the one among the following statements about working principle behind a basic still camera is true.

all options are correct a) b) c) and d)