Answer:
A) More than a hundred million e-mails are sent around the world each day, and they are all vulnerable to interception. C) But how can you bury a mountain of soil? Before long, the army engineers came up with a plan that would allow them to do just that. D) Only a small fraction of the information flowing around the world is securely encrypted.
Explanation:
Expository writing is used to inform, explain, or describe, it also gives a step-by-step explanation of the event (it may use emotions, opinions or dialogue)
<span>Science and technology are progressing at an alarming pace compared to value progression in the society. So Instead of putting technology only for the right use, society uses that in dangerous other ways.</span>