Which neuroglial cells of the cns provide protection and metabolic support to neurons?

The glial cells

Explanation:

The glial cells functions by maintaining homeostasis, forms the myelin sheath and satelite cells that provides nutrients, support and protection for neurons in the brain, and for neurons in other parts of the nervous system such as in the autonomic nervous system.

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.