Opening the book…

Complete the following questions to test your understanding of some key lessons in the Introduction and Unit 1.
A link to an interactive elements can be found at the bottom of this page.
This page titled 2.9: Self-Test 1 was last modified on Sat, 01 May 2021 18:32:42 GMT and is shared under a CC BY-SA license and was authored, remixed, and/or curated by .
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