The early forms of notes in the middle ages are called a. plainchants. b. neumes. c. melismas. d. cadences.

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.

answer; interval;

where and what are the statements?

the string with the finger instead of using the bow