Spinal nerves c5-t1 make up the plexus.

i think that d. wind is the answer.   i missed the question when i answered a. currents.

phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.