Answer:
Crust- ranged from 6km to70km thick .
mantle- convection here leads to earthquakes.
Core -has a liquid and soild layer
Moho barrier- separates the crust and mantle.
Explanation:
HOPE this helps
 
        
             
        
        
        
Answer:
Theory
Explanation:
It is a substantiated explanation because of the set of facts and observations on the experiment. 
 
        
             
        
        
        
Answer:
Cold water can hold more dissolved oxygen than warm water. In winter and early spring, when the water temperature is low, the dissolved oxygen concentration is high. In summer and fall, when the water temperature is high, the dissolved-oxygen concentration is often lower.
Explanation: