ER4_2014

Exercise:
1. Complete the Quia questions at the links above. If you make any mistakes, think about why, get help if you need it, and keep trying until you have a perfect score. Then, take a screenshot of the "results page", and upload it here.

2. In the classroom investigation, we were not able to determine the recycling code of three pellets with certainty. Why not? (Make sure your answer is CLEAR, ACCURATE, and RELEVANT.)