Time out is a behavior modification technique that is a negative punishment. a negative reinforcement. unsuccessful. a positive punishment.

The answer is: a positive punishment. Time out is a behavior modification technique that is a positive punisment.

Explanation:

According to operant conditioning, there are two fundamental concepts that, when applied, lead to a behavior modification: reinforcement and punishment. Reinforcement is a concept refered to a conduct that is rewarded because there is an interest for it to keep appearing.

Punishment is a strategy used when there is  a conduct that wants to be eliminated. Punishment can be either negative or positive; positive punishment, although may sound contradictory, does not mean that the punishment is going to be experienced as positive, it means that the punisment is the addition of something unpleasant. In this case time out is something unpleasant that is added after an undesirable conduct that is intended to be eliminated.

the correct labels are as follows:

a: yellow river

b: himalayan mountains

c: north china plain

d: taklimakan desert