The primary element of a classical concerto is

The primary element of a classical concerto is the contrast of the soloist and the orchestra.

put in the 2 images that way we can see it

explain: well re read it 5 times that way if it makes since then its your answer if it doesn't then its not right

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.