Chapter 4 of the textbook

Here's a link to the PDF of the textbook.


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atoms review extra credit

The extra credit assignment is to answer questions 1-5 on page 38 of the textbook. Restate the questions and write complete sentences. This is worth up to 20 points added to your class assignments average.

You can use the PDF of chapter 2 to complete this assignment. It's due on Tuesday, Oct 27.

Chapter 3: The Biosphere

Here's the PDF for chapter 3.