Answer:
the answer to this question is B i believe 
 
        
                    
             
        
        
        
Answer:
The force of surface tension in the lungs is so great that without something to reduce the surface tension, the airways would collapse after exhalation, making re-inflation during inhalation much more difficult and less effective. Collapse of the lungs is called alectasis.
Explanation:
 
        
             
        
        
        
Answer: The molecule itself is the actual thing present.
while the diagram explains what makes up a molecule or what it looks like structurally 
Explanation:
 
        
             
        
        
        
A halite crystal belongs to the cubic crystal system. The other five crystal systems are monoclinic, triclinic, orthorhombic, tetragonal, and <span>hexagonal.
The cubic crystal system is characterised by</span> <span>the way the atoms in the mineral are arranged in the three </span><span>dimensional</span><span> shape of a </span>cube. The halite crystal has this shape. Attached is an image of it. 
 
        
        
        
Answer:
Search up Periodic Table of elements number
Explanation:
Pls thank, give brainliest, rate 5/5