Multiple choice

Directions: Four parts of the sentence given below have been underlined. Identify the part having an error. If no part has an error, mark (5).

A mirage is an (1) atmospheric optical illusion (2) in what an observer sees a nonexistent body of water (3) or an image of some (4) object. (5) No error

  1. (1)

  2. (2)

  3. (3)

  4. (4)

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Replace 'what' with 'which': 'in which an observer sees…”