Label the parts of the microscope; use the word list to you. arm eyepiece tube objective lenses axle focus adjustment knob ocular lens base light source stage eyepiece nosepiece stage clips

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.

the answer is c because it is most logical.