Answer:
Miles; it is a larger unit of length, so the number would be smaller
Step-by-step explanation:
The circumference of the earth is about 40,075 km, which is equivalent to 28,735 miles
The units considered in the options are:
feet, yards, kilometers, and miles
Since miles is a larger unit of distance than the other units mentioned, it is the most appropriate unit to represent the circumference of the earth.