Dr. Yung wants you to explain what the reddish-brown substance is to the people of Westfield. As you write your argument, remember to: ● state your claim about the identity of the reddish-brown substance. ● use evidence and reasoning (key concepts) from both Part 1 and Part 2 to support your claim. ● include the vocabulary words listed below in your argument. Chapter 1 Question: What is the reddish-brown substance in the water? Claim 1: The reddish-brown substance is the same as the substance that makes up the pipes. Claim 2: The reddish-brown substance is the same substance as the fertilizer. Claim 3: The reddish-brown substance is not the same as either the fertilizer or the substance that makes up the pipes