Q:
      
      
         
            
‘Altitude sickness’ is caused at high altitude due to
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: B) low partial pressure of oxygen         
         
Explanation: Altitude sickness, the mildest form being acute mountain sickness (AMS), is the negative health effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation.
       
      
      
      
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