Hello!
Organisms need to take food because organisms need energy to perform any activity or function and they get energy from food.
Answer:
When something is synergistic, it means various parts are working together to produce an enhanced result. Therefore, i'd say true.
I'd say probably A, because if it were B that would mean that he's not doing anything for his shoulder pain and C isn't good for your shoulder either. So A, probably.
during the time cholera was a big issue, technology such as internet or computers didn't exist. Today, technology is what can help us access information from any place really fast.