Is the subject complement in the sentence a noun, pronoun, or adjective?

the new park in the neighborhood has been busy all week.

a.
noun

b.
adjective

c.
pronoun

onto a large boat, and mark the water level that the boat sinks to. then, take the elephant out and put a bunch of marked weights onto the boat until it reaches the same water level. add up the masses of the weights to get the weight of the elephant.

in general, fiction refers to plot, settings, and characters created from the imagination, while nonfiction refers to factual stories focused on actual events and people. however, the difference between these two genres is sometimes blurred, as the two often intersect.

explanation: