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14. Which of the following statements about synthetic materials is true?
A. Synthetic materials are never harmful to the environment.
B. Synthetic materials are pure substances found in nature.
C. Synthetic materials have properties that are different from those of the
natural materials used to produce them.
D. Synthetic materials are not different from natural materials.
Answers: 1
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The seed coat's most important function is to provide a) a nonstressful environment for the megasporangium. b) the means for dispersal. c) dormancy. d) a nutrient supply for the embryo. e) desiccation resistance.
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Biology, 22.06.2019 12:30, DisneyyKayy
Gram-negative bacteria have a cell wall that is! and does not accept the stain, making itappear
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14. Which of the following statements about synthetic materials is true?
A. Synthetic materials are...
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