What is a market economy? an economic system in which the government or another central administration regulates supply and prices

a system in which people earn wages and buy the goods and services they choose

a market that relies on the trading of goods and services without the use of money

an economic system that is a combination of both command and market economies. Please help!

The answer is B.

Explanation:

Hope this helps you!  :)

crop rotation kepy different plants in the soil instead of once constintly. when switching out plants you have different nutrients being absorbed at different speeds and different roots growing differently therfore the spoil and water flow have to adapt and carry fresh nutrients to carry the constant changes that were going on in the soil.

the answer is b. hope this