Is there a story in front of it?
C. Whales. Because normally it is the first word and even though mammals would be considered a subject, it isn't the main subject.
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Answer:
He thinks everyone mourns his tragic death.
Explanation: Black is asscoiated with death and mourning. This is why he thinks everyone mourns his tragic death.
Answer:
an adjective is a describing word.
Explanation:
eg *big black* wolf