Which phrase is a participial phrase?

The one certain thing about the message you sent to the receiver is that the receiver will: a)process the information sequentially, not simultaneously. b)interpret it based on their framework of experience. c)not be able to interpret all the relevant information. d)revise his/her premises according to the information sent.

What is the effect of narrator's word choice on the tone of this passage? the words "my heart shrank within itself" create a fearful tone. the words "better-omened" set a hopeful tone. the words "wounded his fellow" develop a remorseful tone. the words "struck harsh upon my ears" suggest an irritated tone.

In researching his history report about the civil war, why is ariq most likely to use secondary data than primary data?