MSA Grade 8 Science Practice Questions - Montana Science Assessment - Grade 8 Exam

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A company advertises a new plastic made by chemically bonding long chains of small repeating molecules. Which statement best explains why this material is considered a synthetic material?

It forms naturally in living organisms without human processing It is designed by combining components through a chemical process that humans control It is a pure element found on the periodic table It is a physical mixture that can be separated with a magnet

Correct Answer:

It is designed by combining components through a chemical process that humans control

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