Need help on this question 50 POINTS WILL GET BRAINLYEST!!!!!!!!!!!!!!! this is 4 Scince.
       
      
                
     
    
    
    
    
    2 answers:
            
              
              
                
                
The answer is rain percolates through the pavement into the ground below, causing cracks in the pavemen
                                
             
                    
              
              
                
                
Answer: the 3rd one 
Explanation:
 
                                
             
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I think it is pitch I am not 100% sure
 
        
             
        
        
        
Answer:
the correct answer is 1
Explanation:
 
        
                    
             
        
        
        
metals (left side of periodic table) become positive ions so calcium would be the answer 
 
        
             
        
        
        
Answer:
Active Transport
Explanation:
Active Transport is moving substances from lower concentration to a higher concentration.
 
        
             
        
        
        
The answer your looking for is B different patterns of gene expression