Question

A fish at a depth d below the water sees a bird flying at a height h above the ground at an Apparent distance..................

Answer 1

At a distance h+x where x is a some positive value
Due to refraction of light, when an object in rarer medium viewed from denser medium, it appears to be far. And opposite happen when viewed from rarer to denser.
I cannot give the perfect answer so please do let me know that what is the correct one.