Question

1. hazardous wastes are placed into categories to aid in ______.

determining disposal methods

studying their side effects

determining toxicity

tracking the number of yearly accidents

Explanation:

Categorizing hazardous wastes is primarily done to match each waste type with safe, appropriate disposal methods, as different hazard categories require specific handling to mitigate environmental and health risks. The other options focus on post-classification or separate assessment tasks, not the core purpose of categorization.

Answer:

determining disposal methods