Answer:
The correct answer is Dust
Explanation
Dust is a dry dirt in powder form usually found on surfaces of items in a building, it comprises of very small particles of soil, sand and sometimes includes toxic substances, skin cells,bacteria, soil particles, particles of clothing material, tiny pieces of dead insects and pollen
Answer is A. The reason to create such is to conduct electricity, and metal conducts electricity.
Hope this helps, Tiara
Answer:
The answer is not 9.9 i used that and got it wrong
Explanation:
