What is the role of rna polymerase? a: it creates the dna strand. b: it bonds the dna strand c: it transcribe the dna strand. d: it translates the dna strand.

igneous rocks which formed by the crystallization of magma at the surface of the earth called extrusive rocks. they are characterized by fine-grained textures because the rapid cooling at or near the surface did not provide enough time for large crystals to grow.