A person suffering from anorexia nervosa typically suffers from low blood pressure, thin/weak bones, and damage to internal organs.
So the answer would be D (all of the above)
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The answer is D because when you get a head injury your most likely to have a concussion from the impact which will cause you to loss consciousness and have blurred vision and dizziness.
-the burning of fossil fuel
-natural events
-waste in landfills
-agricultural activities
-mining operations
-etc