Aaron created this chart to list the benefits and limitations of using synthetic polymers. In which row has Aaron made an error in his chart? row 1 row 2 row 3 row 4

(D) row 4

Explanation: the benefits says that it cost low to produce and the limitations says it costs a lot, therefore Aaron made an error.

B) row 2

Explanation:

because synthetic polymers aren't biodegradble

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.