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They pick up only certain materials and can be used to separate them.

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12y ago

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There are several types of toxic waste that can be recycled safely, which reduces the amount of harmful materials in landfills. One of the more useful things to be recycled and sold relatively cheaply is paint.


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A method of separating substances that dissolve in the same liquids?

Crystallization and recrystallization can be useful.


What are the ends of an electromagnet that are useful called?

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What are some situations in which separating substances is useful?

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What is the meaning of harmful and useful materials?

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