Question

find the prepositional phrase in, If your shoes have a lot of surface area, hiking through a snow drift gets a lot easier.

Answer 1

Preposition: Anywhere a cat can go.
Example: A cat can go AROUND a table.
A cat can go IN a house.
A cat can go UNDER the bed.
The prepositional phrase is the part of the sentence that the preposition applies to.
In this case the preposition is through, so the preposition is applied to hiking through a snow drift.
The prepositional phrase is hiking through a snow drift.

Answer 2

through a snow drift is the correct answer