As a result of pollution:
A.	marginal social cost exceeds marginal cost.
B.	marginal cost exceeds marginal social cost.
C.	marginal external cost exceeds marginal social cost.
D.	marginal social cost exceeds marginal external cost.
Answer:A
As a result of pollution:
A.	marginal social cost exceeds marginal cost. B.	marginal cost exceeds marginal social cost. C.	marginal external cost exceeds marginal social cost. D.	marginal social cost exceeds marginal external cost.