B and D is out. It cant be A because heat of combustion is substance not compound. So the answer is D.
Answer:
Externalities are costs (negative externalities) or benefits (positive externalities), which are not reflected in free market prices. ... Market failure is a situation in which the free market leads to a misallocation of society's scarce ... and the killing of fish is not a cost that it would directly have to bear
It’s probably probably 01/16 because of the other number don’t make sense except that one
An not sure,, but maybe 24. don't take my word for it
