Answer:
B. halocline
Explanation:
it is a zone in the oceanic water that changes depending on the depth
Hope This Helped Sorry If Wrong 
 
        
             
        
        
        
Answer:
<u>[H2]2[S2][H2S]2Kc=[H2]2[S2][H2S]2</u>
Explanation:
2H2S(g)⇋2H2(g)+S2(g)2H2S(g)⇋2H2(g)+S2(g)
The equilibrium constant expression in terms of concentrations is:
Kc=<u>[H2]2[S2][H2S]2Kc=[H2]2[S2][H2S]2</u><u>.</u>
 
        
             
        
        
        
Answer:
have stars that might appear to wobble 
often have one star that is brighter than the other
Explanation:
A binary star system is a star system made up of mostly two stars that moves round their common fixed center. 
The two orbiting stars are gravitationally bonded to one another and they move round each other. 
Most binary stars might appear wobble. One of the stars often appears brighter than the other. 
 
        
                    
             
        
        
        
Answer:
D. They react readily with oxygen in the air
 
        
             
        
        
        
It’s A
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