Answer:
The answer is B. You will have a better idea of what is normal or unusual for your environment.
Explanation:
Practicing your observation skills improves your ability to detect and report adversarial surveillance because it helps to sharpen your memory, take note of, and distinguish between normal and abnormal behaviors of people or incidences in an environment; this raises awareness and gives more enlightenment about what is normal, suspicious, or just okay in an environment.