What is the purpose of the dashes in this excerpt from "totally like whatever, you know? " "declarative sentences—so--called because they used to, like, declare things to be true, okay, as opposed to other things are, like, totally, you know, not— have been infected by a totally hip and tragically cool interrogative tone? " (4 points)

The line “violently shuddered—with the fright of it” could be categorized as a(n) and a anaphora; sensory appeal sensory appeal; image paradox; anaphora personification; image

One of the author's purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with enormous speed mark this and return save and exit next submit

What is the main idea of this paragraph from the volcanoes section of the ready.gov website