Answer:
The hemoglobin of horse has 60% lower than the human's hemoglobin 
 
        
             
        
        
        
<span>When the surface layer was dug up, the permafrost was exposed. When the weather warmed, this exposed permafrost would have melted and become soggy, causing the ground underneath the tracks to shift.</span>
        
             
        
        
        
The answer to this question is the term Gross Anatomy. The Gross Anatomy is also known as topographical anatomy which is the study of large body structures at the macroscopic levels. Gross anatomy deals with body structures that with minimal magnification because it is seen by the naked eye.