Select all that apply.
what are the three basic economic systems?
mixed
free
planned
market
mercantile

The three basic economic systems are Market Economy, Mixed Economy, and Planned Economy. Basically, an economic system refers to the different systems of production, allocation of resources, exchanges, and distribution of goods and services. This happens in almost all societies but differs in the policies that are being implemented and followed.

hygrometers and hair thermometers (often found as part of hygrometers/psychrometers) can be used to measure humidity. barometers are used to measure atmospheric pressure, while anemometers are used to measure wind speed. so the 2nd and 4th choices should be the correct answers.