A. Base , salt , water,acid
Answer:
Explanation:
Given:
Charge = <em>q</em>
Electric field strength =
weight of the droplet = <em>mg</em>
The charge is suspended motionless. This is because the electric force on the charge is balanced by the weight of the droplet.
electric force on charged droplet, 
This is balanced by the weight, 
Equating the two:

Answer:
that's true.
Explanation:
that's the reason why oxygen supports burning.
Answer:
Burning. When you burn something, it turns into ash you can't make that thing turn into what it was before.