What is the difference between song of the year and single of the year?

Which of these sentences is the correct one?

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

Take the following paragraph and write two separate paragraphs based on it. be sure to properly cite both parenthetically (don’t worry about a works cited) using this: (henderson). 1.) the first paragraph should contain a direct quote from the provided paragraph (the paragraph below). 2.) the second paragraph should contain a paraphrase of the provided information (the paragraph below). trees are in that they provide clean air. trees take in harmful gases from the air such as carbon dioxide, which is what people exhale from their lungs, and turn it into oxygen, which is what we inhale. they complete this process through photosynthesis, which requires carbon dioxide and then releases oxygen. without trees acting as nature's natural filter, the air would quickly become unbreathable to humans.