Answer:
The correct answer is option c.
Step-by-step explanation:
Externalities refers to the situation in which costs or benefits arising from the activities of someone are incurred or received by the some other third party.
Externalities can be classified into two types, namely, positive and negative.
In case of negative externalities the cost arising from the activities of some person are incurred by a third party.
Negative externalities lead to market failure.