Answer:
Charge on each metal sphere will be 
Explanation:
We have given number of electron added to metal sphere A 
As both the spheres are connected by rod so half -half electron will be distributed on both the spheres.
So electron on both the spheres 
We know that charge on each electron 
So charge on both the spheres will be equal to 
So charge on each metal sphere will be equal to 
Answer:
A molecule is something every mass has and is very small
Explanation:
Answer choice C is a benefit of coal; all the others are negatives.
Feel free to ask me more questions; I'm happy to help. (Don't forget Brainliest!)
The answer is D. The Ossicles