Answer:
They join verbs that are of equal importance.
Explanation:
Coordinating conjunctions and, but, for, nor, or, so, and yet join words, sentences and clauses. Therefore, they can connect two o more items in a list. For instance:
I like coffee and tea.
I like coffee, tea and wine.
Besides, they provide a balanced emphasis to two main clauses. For example:
While I was out, the children painted my room and cleaned the house.
