etheralgal etheralgal

13-12-2020
Biology

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Which of the following is the first concrete evidence hazardous materials are present?
O Senses
O Markings and color
O Container shape
O Placards and labels

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Аноним Аноним

13-12-2020

Answer:

Placards and labels

Explanation:

By checking labels you can identify if hazardous material is present or not.

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