The correct answer is<span> A. a decrease in the dumping of hazardous waste
It was an act regarding all aspects of hazardous waste disposal that didn't leave anything to chance. From it's creating to it's disposing, every part was precisely defined how it should be handled. </span>
Differences between Indus, Nile, and Yellow river valley civilizations are (please refer the attached image)
Learn more about the Indus, Nile, and Yellow valley civilizations here:
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This is true!! hope this helps. :)