The circumference. Just like other objects.
Answer:
She should have different passwords for each of her social networking sites.
Answer:
(B) steps
Explanation:
A pedometer is a small device that counts the number of steps you take. It is also called a step counter. Some pedometers also tell you how far you've walked in miles or how many calories you've burned. But mile and calorie readings are estimates and may not be accurate.