Answer:
No; the study is based on a volunteer sample, which may be very different from a randomly selected one.
Explanation
Her plan cannot be effective because she could base her own judgenent on samples that was randomly selected for consideration.
Chiropractic care has consistently been shown to be effective in reducing the pain and disability of disc injuries in the short and long term, by addressing the overall biomechanical function of the spine and pelvis.
B. Subcutaneous
this means that the needle goes into the fat layer of the skin.
it does NOT go into the muscle.
hope this helps.
The answer is respiratory and circulatory systems.
D because it helps you stay on task and helps you avoid procrastinating