If one were to measure the distance from the photographer taking this picture to the ocean shown in the background, which of the following units would be the most appropriate?
A) mm
B) km
C) cm
D) nm

Question

If one were to measure the distance from the photographer taking this picture to the ocean shown in the background, which of the following units would be the most appropriate? 
A) mm 
B) km 
C) cm 
D) nm

Quizplus · Accepted Answer

The distance from the photographer to the ocean in the background is likely to be several kilometers, making km the most appropriate unit for measurement. mm and cm are too small and nm is too small and typically used in measuring atomic distances.

If One Were to Measure the Distance from the Photographer