If the last pair reflects whether the organism is a male or female, which would this organism be

b brown mice / white sand dunes

the correct answer is 2 and 4

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.