George is experiencing back pain. his doctor tells him the bones attached to his spinal column have become less dense. the doctor is referring to the

Which field of study contributes ideas and concepts to biomechanics?

Which of the following choices is the most important to do before starting an exercise program? a. see your doctor b. talk to your friends for advice c. lift some weights d. measure your body fat

Zoom out so that you can see the whole state of california. select the ruler tool again, but change the type of measurement from line to path. create a path from san francisco to las vegas, to los angeles, to san diego. what is the total length of this path in kilometers and in meters?