?What are additives that retard the decomposition of a polymer caused by heat, light energy, oxidation, or mechanical shear called? 

A. ?heat stabilizers
B. ?catalysts
C. ?blowing agents
D. ?char barriers


Answer: A

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? Identify and state the historical significance of The Federalist.

What will be an ideal response?

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The zero vernier graduation lies between 3.050 and 3.075 and the vernier graduation that coincides with a main scale graduation is 21. What is the vernier caliper setting?

A. 3.039 B. 3.26 C. 3.054 D. 3.071

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When an arc must be drawn so that it connects two straight lines, in other words it is ____ to them.

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A. Park B. Drive C. Neutral D. Reverse

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