Read the following sentence.

Pliny once wrote that Phoenician sailors who cooked on blocks of natron (soda) on a beach discovered glass accidentally.

Is the underlined phrase essential (restrictive) or nonessential (nonrestrictive)? Explain your reasoning.

Read the quote from zimmermann in the code book. a future government could inherit a technology infrastructure that's optimized for surveillance, where they can watch the movements of their political opposition, every financial transaction, every communication, every bit of e-mail, every phone call. everything could be filtered and scanned and automatically recognized by voice recognition technology and transcribed. it's time for cryptography to step out of the shadows of spies and the military, and step into the sunshine and be embraced by the rest of us. which question does this paragraph answer? why does zimmermann think encryption is important? what kind of encryption did zimmermann invent? how does zimmermann’s encryption work? who made encryption based on zimmermann’s work?

What can be inferred from the following sentence in the passage? then he asked me my name. scarcely had i uttered it when he made a gesture of astonishment. a) the sentence implies that the attendant knows the colonel. b) the sentence implies that the colonel is giving up on life. c) the sentence implies that the attendant is going to get fired. d) the sentence implies that the colonel recognizes the attendant's name.

How does the author use the actions of neptune over the course of the text to develop the theme? a) neptune goes out of his way to bless ulysses and his men in their attempts to journey home. b) neptune speaks to the other gods throughout the excerpt and warns them about problems caused by ulysses. c) neptune caused the deaths of the sailors by placing them in the way of the cattle of the sun-god hyperion. d) neptune causes trouble for ulysses throughout the excerpt, making it impossible for him to settle down with family.