Respuesta :

Answer:

The answer is "X is unknown, Z is true".

Step-by-step explanation:

In the given question option is missing so, the correct answer to this question can be defined as follows:

  • In this question if X is given, then y means depends upon X.
  • If y is given, then z depends on y, that's why in this question  Y and Z are true. but X is unknown.  

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