1 It takes about 27.3 days for the Moon to Earth.
2 Weather __ _ provide us with information about weather on Earth 24 hours a day.
3 Four new scientists just joined the of the International Space Station.
4 Even small__ __ of flying debris can damage the Space Station.
5 This ___ takes tourists on short trips into space.
6 The first to walk on the Moon was Neil Armstrong.
7 A spaceship must go through Earth's to get to outer space.

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