1) what is persuasive about the photograph??

it shows how it helps your body

in the human brain the word 'repairing' is very motivational and is automatically known as helping

it shows a fit body, which most people strive for

The photograph contains multiple effects that result from when u stop smoking. These positive effects such as ur taste//smell improving, ur lungs functioning as they should,the money they will save,etc. The photographer was trying to get people to stop smoking based on what they would gain from it

4. The table was set.

Explanation: The sentence is in passive voice and in the past simple tense so, 4th option is the right.