That she changes her meats and how many calories they are.
The first line of defense involves skin
B problem solver this is correct answer in my opinion
A backpack exert compression on the body’s back and hips. Correct answer: B
Backpack can cause excessive strain in one's neck, back and shoulders if it is heavy and if it is worn for a long time. The weight's force can pull you backward. In order to compensate for the force we bend forward at the hips or arch our back and this causes the spine to compress unnaturally.