From the article “day zero” is approaching in cape town, what can we infer from the following passage?
“cape town is one of many communities around the world concerned about water shortages. the southwestern and western regions of the united states are facing extreme drought conditions, according to the national weather service. almost 40 percent of oklahoma is in a severe drought. oklahoma produces a lot of crops. drought conditions could stunt the growth of crops, lower the rate of food production and increase the probability of wildfires.”

a) only africa will face water shortages

b) all of these could be correct

c) no country on earth is immune from water shortages

d) cape town is facing a severe water problem

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?