A. Stretching
because stretching is making something be able to go longer or wider without breaking. <span />
The answer that sounds most correct would be: B) Open back and sufficient tread.
Answer:
Explanation:
Listening to music during exercise could lead to a better workout, scientists say. ... Listening to music while exercising can release feel-good chemicals in the brain — such as dopamine and opioids — that may boost your mood, dull pain and make you less tired, scientists say.
