Ned was in an accident. He fractured his leg and is unable to move. Which body system’s function has been affected? A. lymphatic system B. musculoskeletal system C. endocrine system D. circulatory system

The occupational safety and health administration requires employers to provide fall protection to construction workers who are working on surfaces with unprotected sides and edges feet or greater above the lower level.

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Carbon dioxide can be produced form what type of power generation?