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1. |
What is the approximate density of the polypropylene? |
A. | 0.56 g/cm<sup>3</sup> |
B. | 0.90 g/cm<sup>3</sup> |
C. | 1.9 g/cm<sup>3</sup> |
D. | 0.68 g/cm<sup>3</sup> |
Answer» C. 1.9 g/cm<sup>3</sup> | |