True I think lol I'm not sure
a, because exercise doesn't just aid the prevention of certain diseases, it helps prevent many diseases. i would've chosen d if it wasn't so specific but a is the correct answer.
Um, isn't it obvious? Get new shoes, duh.
The best technology would be Digital x-ray.
Diagnosis and treatment of bone fracture, doctors can diagnose fractures with x-rays. They may also use CT (computed topography) scans and MRI (magnetic resonance imaging). Broken bones heal by themselves and the aim of medical treatment is to make sure the piece of bone are lined up correctly.
