Help me please need to graduate this year !!

On number 2 just label it  1-4 like number 1 then on number 3 write the 4 on top of the 4 and then just write 1-4 on the lines again.

Explanation:

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; i believe the correct answer is in new york,in subway stations,public murals and night clubs;