Question

the figure of speech used in the line,"the lone and level sands stretch far away" is

Answer 1

the figure of speech used is metaphor

Answer 2

Kindly note that the sands are not compared to anything directly or indirectly here.So,how can it be a metaphor or simile?

But,the sands are said to be strechedfar away.

So,i strongly believe that it is personification as the sands are personified.

I hope it is clear and it helps you...................