QUESTION: Fix punctuation: Now disappeared all text and image
ANS: Now disappeared, all text and image.
QUES: After returning to Cambridge in 1938 Smithies taught at St Johns College and continued his research

correct the punctuation.

CORRECTED: After returning to Cambridge in 1938, Smithies taught at St John's College and continued his research.
Question: There is the option to sail for a small fee on a larger yacht
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Answer: There is the option, to sail for a small fee on a larger yacht.
This rise so much doubt because it is difficult to verify but it seems as those yarns are 3stranded and that indicates that a ropewalk had been employed what we understand very well for a production of 30 kilometers

Can you repeat this sentence, but add in punctuation?
This rise so much doubt, because it is difficult to verify, but it seems as those "yarns" are 3-stranded, and that indicates that a ropewalk had been employed. (what we understand very well for a production of 30 kilometers).
input: Riad Dar Ftouma Get low hotel rates and check availability in Marrakech and hotel reservations at Riad Dar Ftouma Reserve low rates for hotels in Marrakech
fixed: Riad Dar Ftouma - Get low hotel rates and check availability in Marrakech and hotel reservations at Riad Dar Ftouma - Reserve low rates for hotels in Marrakech
After just a few minutes the Hot Eyes Steam Mask reaches 40 degrees

Can you repeat this sentence, but add in punctuation?
After just a few minutes, the Hot Eyes Steam Mask reaches ~ 40 degrees.