Answer:
Shape of Red Blood Cells Erythrocytes are biconcave discs with very shallow centers. This shape optimizes the ratio of surface area to volume, facilitating gas exchange. It also enables them to fold up as they move through narrow blood vessels.
 
        
             
        
        
        
Answer:
c.Racquetball
because the lighter the object the more force it needs to go
 
        
             
        
        
        
Answer: DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars
Explanation:
 
        
             
        
        
        
Answer:
The cell would lose the water inside it causing it to die. 
Explanation:
Water in cells moves towards the higher concentration of salt so if there is more on the outside the water would move on the outside causing it to die because it needs water. If it was the opposite and there was more salt inside more water would go inside causing the cell to swell and virtually exploding and diluting parts of our body.
 
        
             
        
        
        
Technically speaking, an intrusion is any formation of intrusive igneous rock; rock formed from magma that cools and solidifies within the crust of the planet. In contrast, an extrusion consists of extrusive rock; rock formed above the surface of the crust.
hope this helps bye~glori