Answer:
option b or c I don't know
An economy that balances government intervention with free enterprise is known as a mixed economy. This is the scenario in which the assets of country is owned by both the private and the government individuals. The ownership is shared. Unlike in the command economies where the government owns assets and in the free market its vise versa.
The popularity of people is decreasing
Answer: Bassically, certain gasses like CO2 (Carbon Dioxide) that come from stuff like burning fossil fuels and global warming, they heat up the earth, are wastes and are used as fuel.