Answer:
Mass doesn't change no matter where you are or where you go.
Explanation:
Mass is what you or an object consist of. You cant change mass
  
        
             
        
        
        
When AncestryDNA launched in 2012, we compared your DNA against 22 possible regions. We now have more than 1,500.
        
             
        
        
        
Answer:
I believe the answer would be 'E. hotspots'.
 
        
             
        
        
        
Answer:
Explanation: At the molecular level, the universal genetic code and homologous molecules provide evidence of common descent.
 
        
             
        
        
        
Answer:
substances can move from areas of low concentration to areas of high concentration
Explanation:
usually substances move across their concentration gradient which is from high concentration to low concentration. Active transport can allow substances to move against their concentration gradient.