Chemistry, 23.03.2021 16:00 kenziebug34
Identifying the Reddish-Brown Substance (continued)
Part 3: Writing to the People of Westfield
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 from both your observations and the atomic-scale models 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.
Answers: 1
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An atomic nucleus is composed ofa)protons.b)protons and neutrons.c)protons and electrons.d)protons, neutrons, and electrons.
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An engineer decides to use a slightly weaker material rather than a stronger material, since she knows that the stronger material can break suddenly. this is an example of what? a choosing a material that will show warning before it fails b using composite materials that combine strength c using a material for multiple applications d using design techniques that increase efficiency and reduce cost
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Identifying the Reddish-Brown Substance (continued)
Part 3: Writing to the People of Westfield
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