Which excerpt? I can't explain the inference if I don't have the excerpt to read
The skeletal system works as a support structure for your body. It gives the body its shape, allows movement, makes blood cells, provides protection for organs and stores minerals. The skeletal system is also called the musculoskeletal system.
Do one step at a time. If one feels that he won't manage the basics, it is strongly inadvisable to take on more complex activities even if the goal is most desirable.
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B.
answer a and c are both facts, and answer d is a statement. answer b is biased because we are not informed whether or not the employees' wages can be considered to be low