Choosing to walk or ride your bike to work can positively affect your physical fitness.
a. true
b. false

The qustion is asking whether choosing to walk or ride your bike to work can positively affect your physical fitness. and the answer is that this is the case, so the answer is a) true. Walking or riding a bike are both an example for physical movement and physical movement is generally good for health - it keeps you from being overweight and stimulates your blood flow

The olympics y

Why  do you think body composition focuses  on the  ratio  of  fatty tissue  to  other body tissue? why is  body composition not related  to  weight?