You are given a list of queries separated by new line. Your job is to answer with the query that is the most well-formed or well-structured query in terms of grammar, punctuations, or spelling errors.

What do the nike symbol mean ?
What is sand 's density ?
Rome to verona by train ?
What did pennsylvania eat and drink ?
What is sand 's density ?

How much money does dental technician earn in australia ?
What is the property of a fluid that represents its resistansce to flow ?
What is the slowest swimming animalin the world ?
Why is calcium inportant ?
What is the property of a fluid that represents its resistansce to flow ?

What were the colonists manners ?
What process produces free oxygen ?
Which of the following characteristic of a traditional economy ?
How can you get a cheap duster on howrsecom ?

What process produces free oxygen ?