Afree market is one in which decisions about what to produce and in what quantities are made by: (points : 3)
the fed
the community
the market
the congress

the rocks are classified by the geological process they are formed by. the three main groups of rocks are igneous, metamorphic, and sedimentary. minerals are not they are classified under the chemical classes they are in. these groups include silicates, sulfates and carbonates.