Answer:
C
Explanation:
The principle of superposition states that the oldest sedimentary rock units are at the bottom, and the youngest are at the top. Based on this, layer C is oldest, followed by B and A. So the full sequence of events is as follows: Layer C formed.
 
        
             
        
        
        
Answer:
2 to 2, 3 to 1, 1 to 4 and 4 to 3
Explanation:
hope that helps
 
        
             
        
        
        
It is bright-field...............
        
             
        
        
        
Answer: A) Light 
Explanation:
Hey!! It's me again because why not!! 
 
        
                    
             
        
        
        
Ice is less densw than water (a)
The substances which are less dense than water float on water