Label parts of speech. water droplets in the sky are called precipitation.

American history (is, are) studying the american colonies.

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?

In the following sentences, commas are needed after which words? when the clark family planned their summer vacation to hell’s canyon they didn’t plan on having quite so many adventures. from the start they had to deal with a broken-down van a sick baby and torrential rains.