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Biological treatment plants make some hazardous wastes safe by _____. A. covering them with clay B. burying them in containers C. neutralizing them D. burning them

User BenCr
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2 Answers

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its c but i may be wrong


User Stefan Collier
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Biological treatment plants make some hazardous-waste safe by neutralizing wastes, or neutralizing them.
User Pavel Dubinin
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