Which is a noun in "Math used to be my favorite subject"

When gatsby was in europe after world war i and circumstances forced daisy and him to face unpleasant realities about their relationship,

What a literary critic determine a story's complex theme? oa. the public's reaction to the storyob. the number of characters in a storyoc. the order of events within the storyod. the specific details within the storysurmit

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.