Add punctuation: Since its inception in the early eighties to the present Andres Serranos photographs New York 1950 have continued to address the most controversial and contentious issues the turbulent world we live By successive series of photographs of Andres Serrano who since the mid 1980 always uses the series as a way to work have also been numerous taboos that still survive in our society
A: Since its inception, in the early eighties, to the present, Andres Serrano's photographs (New York, 1950) have continued to address the most controversial and contentious issues the turbulent world we live. By successive series of photographs of Andres Serrano, who since the mid- 1980 always uses the series as a way to work, have also been numerous taboos that still survive in our society.

Add punctuation: Anyone who earns an income contributes to the system a percentage that depends on the income level minimum 8 maximum 63 of the gross income
A: Anyone who earns an income contributes to the system a percentage that depends on the income level (minimum 8% - maximum 63% of the gross income).

Add punctuation: Thus the nature of the Jewish attack could only strengthen public doubts it protested much too much
A:
Thus the nature of the Jewish attack could only strengthen public doubts; it protested much too much.