QUESTION: Fix punctuation: This collection of sulfur from around the world consisted of over fifty specimens
ANS: This collection of sulfur from around the world, consisted of over fifty specimens.

QUESTION: Fix punctuation: In the UK home market the app was downloaded 50000 during the first week and was selected for Editors Choice by Apple in the iPad category Something that has only happened to very few apps produced in Denmark
ANS: In the UK home market the app was downloaded 50.000 during the first week and was selected for "Editor's Choice" by Apple in the iPad category. Something that has only happened to very few apps produced in Denmark.

QUESTION: Fix punctuation: I congratulate you very heartily on getting out the actual distribution form if the analysis is correct which seems highly probable I should be delighted to publish the paper in Biometrika
ANS: I congratulate you very heartily on getting out the actual distribution form ... if the analysis is correct which seems highly probable, I should be delighted to publish the paper in Biometrika.

QUESTION: Fix punctuation: Click on the button with the same name in the dialog box
ANS:
Click on the button with the same name in the dialog box.