Multiple Choice: Read the questions carefully.Choose the letter of the correct answer.
1. The technique used to separate heavier material from less-dense or lighter material.
![Multiple Choice Read The Questions CarefullyChoose The Letter Of The Correct Answer1 The Technique Used To Separate Heavier Material From Lessdense Or Lighter M class=](https://ph-static.z-dn.net/files/d3f/b7a3d61115993f2f9627de3580273320.jpg)