What do you think may be some of the inherent reasons why nations today do not have pure free market economies?

See explanation

Explanation:

In a free market economy, the allocation of resources and it's distribution are carried out by the individual and the firms in the economy. Prices are also set due to the demand and the supply of goods for such economy. The government plays a limited role in such economy as well.

Some of the reasons why nations today do not have pure free market economies is due to the problem of market failure that is, when resources aren't efficiently used in the market and there is also the inefficient distribution of the goods and the services in such market. Another reason include in scenarios whereby the needs of the society isn't met and equity isn't achievable.

answer

the best answer is c

an aneroid barometer is different from a mercury barometer in that it provides readings that increase as air pressure increases.

hope it : )