Answer:
sun
Explanation:
there would be no life whatsoever if we have the sun.
 
        
             
        
        
        
Answer:
Explanation:
It can be used to predict the outcomes of genetic crosses. How do geneticists use Punnett squares? They can be use to predict and compare the genetic variations that will result from a cross. Diagram showing the gene combinations that might result from a genetic cross.