Answer:
Reflexive
Explanation:
Its the most reasonable answer
With the options given the answer should be the last "North and South, as far as his eye could see, it was unbroken white" The reason for this is it does not just describe the scenery but the geographical position.
A time that I often use acronyms is PEMDAS for math. PEMDAS stands for Parentheses Exponents Multiply Divide Add Subtract. This particular acronym is used for simplifying expressions with 2 or more operations. This was a very useful technique because it really stuck in the brain and helped me remember which order to simplify the expression.
Hope this helps :)