QUES: We currently have not any drugstore offered Ascorbic acid

correct the punctuation.

CORRECTED: We currently have not any drugstore offered Ascorbic acid.

QUES: 8 And now hear these things you who are delicate and have confidence who say in your heart I am and there is no one greater than me I will not sit as a widow and I will not know barrenness

correct the punctuation.

CORRECTED: 8 And now, hear these things, you who are delicate and have confidence, who say in your heart: "I am, and there is no one greater than me. I will not sit as a widow, and I will not know barrenness."

QUES: In 1884 he began to study the effect which magnetization exerts on the polarization of reflected light

correct the punctuation.

CORRECTED:
In 1884 he began to study the effect which magnetization exerts on the polarization of reflected light.