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Chemistry, 03.04.2021 17:30 cacaface311
2) Silk is a kind of fibre
a) semisynthetic b) synthetic c) Animal d) Vegetable
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2) Silk is a kind of fibre
a) semisynthetic b) synthetic c) Animal d) Vegetable...
a) semisynthetic b) synthetic c) Animal d) Vegetable...
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