The first one is a simile
the second one is a metaphor
the third one is a hyperbole
the last one is personification
<span>A) radioactive decay inside earth.</span>
Explanation: It mean who the target audience is or meant for.
Like for example, my intended audience are young adults.
Hope this helps!
The answer would be (A) again because in a essay you are stating your points and you have a structure on how to do it and it must be consistent throughout the whole essay or its going to be choppy and you wont get a good grade. hopefully that made sense. The other answers wouldn't make sense. So go with (A)