Вопрос № 96181 - Английский язык

Colloids exist in nature in the cells of plants and animals, in the sap of certain plants, among which is the rubber tree, and in the class of foods are called proteins. Colloids have recently come to be of tremendous importance in certain manufacturing processes, including the making of glass, rubber and artificial silk, tanning leather and dyeing.
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  • Colloids have recently come to be of no importance in certain manufacturing processes, including the making of glass, rubber and artificial silk, tanning leather and dyeing.
  • Colloids are very important in tanning leather and dyeing.
  • Colloids are not important in making glass.
  • Colloids are of great importance in certain manufacturing processes, including the making of glass, rubber and artificial silk, tanning leather and dyeing.
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Вопрос задал(а): Анонимный пользователь, 18 Март 2016 в 13:24
На вопрос ответил(а): Бунакова Мария, 18 Март 2016 в 13:24