Question: What is your educational background
Please fix the punctuation.
Fixed: [What is your educational background?]

Question: Contrary to popular belief the United States is not a meritocracy and amid cries of class warfare Americans are getting the worst of both worlds
Please fix the punctuation.
Fixed: [Contrary to popular belief, the United States is not a meritocracy, and amid cries of class warfare, Americans are getting the worst of both worlds.]

Question: Warranty conditions RocketLok dumbbell set 11 kg
Please fix the punctuation.
Fixed: [Warranty conditions: RocketLok dumbbell set 11 kg]

Question: Barcelona is a great place to come and study it is an exciting city to visit throughout the year not to mention the amazing night life As Barcelona is such a popular choice for many students around the world there are many accommodation options
Please fix the punctuation.
Fixed:
[Barcelona is a great place to come and study, it is an exciting city to visit throughout the year, not to mention the amazing night life! As Barcelona is such a popular choice for many students around the world, there are many accommodation options.]