After watching the above documentary, the simple substance of salt has had a massive impact on history, from early civilizations to modern-
day society. However, salt is not alone in its role in history, as we will see throughout the year.
Prompt: In 2-3 sentences and using your own experience and knowledge, think about another substance (not an item or device) that has
changed our modern world. What is that substance and how has it changed things?
DO NOT PROVIDE A SUMMARY. If a summary is posted, you will receive o credit for this C-Post. Remember that spelling and grammar are
not factors in grading, but be sure to be specific in your response. Stay focused on responding to the prompt.
SINGLE RESPONSE ONLY. More than one may result in a "0" score.