I believe the answer is b
The function of the polis as it developed in Greek civilization is it was designed for areas such as private, public, religious functions and buildings. It was often used in the Iron age development for public buildings. Hoped that helped.
I believe the answer is: Theory without research is abstract and empty.
Theory is created from abstract thinking that we use to generalize the data at hand and use it as an Explanation for a certain occurence. Without research, theory is basically just personal opinion, without any form of empirical data to back it up.
The service of process is through an e-mail. It ought to be more proper and formal to e-mail the other party in regards to disputes like this, in order to make the other party recognize your purpose and in means of indicating convention despite the dispute that has been committed to each other.