QUES: About Ukrainian Admission Center Study in Ukraine

correct the punctuation.

CORRECTED: About Ukrainian Admission Center - Study in Ukraine

QUES: Silylated samples degrade and should be analyzed within 12 hours

correct the punctuation.

CORRECTED: Silylated samples degrade and should be analyzed within 12 hours.

QUES: The question therefore is how this number shall be reared and provided for which as I have already said under the present situation of affairs is utterly impossible by all the methods hitherto proposed

correct the punctuation.

CORRECTED:
The question therefore is, how this number shall be reared and provided for? which as I have already said under the present situation of affairs is utterly impossible by all the methods hitherto proposed.