Metamorphic rock a. is formed from heat and pressure b. is formed from cooling magma c. can only be formed from igneous rock d. is not part of the rock cycle
The answer is d. when it begins to fall back to the child's hand
answered: Guest
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.