Which method of measurement is most likely to be precise but lacks accuracy?

A. Measuring the distance across a pond by counting how many

strokes you make as you swim across

B. Measuring time by counting the number of breaths you take as

you do an activity

O C. Measuring your weight with a scale that measures to the nearest

tenth of a kg but adds 2 kg to each measurement

D. Measuring the length of a bus using a tape measure that

measures to the nearest millimeter