The answer is A 

In the depletion layer, electrons combine with holes producing charge density so that region is depleted of charge carriers  but it has charge density .

Conclusion: Neutral but still having non zero charge density .

Asksionov thought of killing himself because he remembered all those harsh situations that he had faced in his life without committing any crime . Even his wife didn't  believe in him . He got frustrated by thinking all these painful situations that he was ready to kill himself.

Its all because of oxytocin. Oxytocin is the love hormone that activates feelings of trust and love between people when it is released in the brain. Whenever Surakshya thinks of her college the production of the oxytocin hormone rises to peak but sadly she cannot express her love in anyway. Because of the fact she is miles away from her college and she is bound to accept the truth that she cannot be there in college at the present time. So, there is no way that she can express her love,...