Which of the following is an example of parallel structure?

Which secondary effect of advertisement happens when a customer is satisfied by a product and buys it for a second time?

Analyze the graphic organizer below and answer the question that follows. / which element is necessary to complete the graphic organizer? complex sentence prepositional phrase subordinate clause independent clause the.i think it might be c but idk

In the excerpt above, what can be inferred by the statement, "the dillingham had been flung to the breeze during aformer period of prosperity.?