Directions : Underline the prepositional phrase in each sentence. 1. I don't know if I can survive in the desert without a water bottle.
2. Becky watched the boats sail on the water.
3. The man cleaned his car windows at the gas station.
4. Amanda wore a cast on her arm.
5. My little brother stomped and splashed through the puddles.
6. Sabrina came to visit from Alaska.

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