Answer:
pollution of water. or do you mean pollutant in which case would be like garbage or oil spills
Im going to go with C only because most dont make sense.
1. A
2. D????
3. C?
4. B
5. A????
Diamond Abrasive and Mineral Polisher is the most useful as grains on sandpaper. According to Merriam dictionary diamond abrasive are powdered or crushed diamond used as an abrasive also called diamond powder. While mineral polisher is is a mineral that make or finish work piece through rubbing.
