If this is a T/F question its false
False - differences will happen and not all your friends will stay the same
When you run or do other exercises your working your cardiorespiratory system. when you work on something it gets stronger and more able to do excercises fpr a longer period of time
Explanation:
Measurement system, any of the systems used in the process of associating numbers with physical quantities and phenomena. Although the concept of weights and measures today includes such factors as temperature, luminosity, pressure, and electric current, it once consisted of only four basic measurements: mass (weight), distance or length, area, and volume (liquid or grain measure). The last three are, of course, closely related.
