Synonyms are words that? have similar meanings to one another.
have the same number of syllables.
sound the same when spoken aloud.
are difficult to pronounce correctly.

You've arrived at the cafeteria! there is a trap door in the pantry which has been covered up by an atlas. choose the square which shows greenland to open the door.

What is the speaker telling the grecian urn in these lines from “ode on a grecian urn”? he wishes the urn could talk so he could hear its stories. he knows the urn will still be around for others to see after he is dead. he fears that when he gets old, the urn will suffer because nobody else will take care of it. he wishes the people frozen on the urn could warm up and come to life.

How are correlation and causation similar?