The correct answer is A. granite
That is because unlike the other three, granite is not an extrusive rock but rather an intrusive one. They are formed inside the earth where magma cools unlike the extrusive ones that are formed outside when lava cools much faster. The remaining three are formed this way.
The answer would be exposition because he is explaining something
<span>A verb, is a word (part of speech) that is showing an action (bring, read, walk, run, learn), an occurrence (happen, become), or a state of being (be, exist, stand).</span>
