Which of these is a pure substance ? a- diamond b- salt c- ocean water - option 1: a option 2: a & b option 3: b & c option 4: all of them

Which phrase refers to the contrast between what is expected to happen and what actually does happen? situational ironydramatic ironyverbal ironyconflict and resolution

Ihave no idea what the explanation is.

If you are looking for the entry affiliation in the dictionary which words could you find at the top of the page? a) aedes aeropause b) aeriphagia afferent c) afiance aforetime d) afoul aflterthought