In a , a central authority determines who buys goods and services. in a _
determines who buys these products,
economy, price
planned, market
market, planned

In a planned economy, a central authority determines who buys goods and services. In a market economy determines who buys these products.

Explanation:

In a planned economy, the market has a secondary role for the allocation of resources.

Market economy is understood as the organization and allocation of the production and consumption of goods and services arising from the interplay between supply and demand.

gas

explanation:

smoke is the matter of a gas

12 is it do you think so