Which word is the preposition and which word is the object of the preposition in this sentence?
a great big moth flew through the open window.
a. preposition: great; object of the preposition: big
b. preposition: through; object of the preposition: window
c. preposition: a; object of the preposition: moth
d. preposition: flew; object of the preposition: through

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