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Вопрос № 237773 - Английский язык

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When is it necessary to appreciate the importance of ecosystem function?
Варианты ответов
  • It’s necessary in maintenance of productivity and planning the restoration of essential processes.
  • It will be necessary in future to keep ecosystem balanced.
  • It was necessary in 18th and 19th centuries.
  • It’s necessary when solving the problem of economic security of the country.
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Вопрос задал(а): Анонимный пользователь, 10 Ноябрь 2020 в 00:25
На вопрос ответил(а): Анастасия Степанова, 10 Ноябрь 2020 в 00:25

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