A Lab pre-released, in honor of Earth Day 2014

IMG_9567 IMG_9569

Cooking the cookies, very slowly
Cooking the cookies, very slowly

Here is a lab from the book I am working on now, Earth and Space 2. Its early publication is in honor of Earth Day!
https://dl.dropboxusercontent.com/u/17671525/RSOE%26S2Sample.pdf

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