Answer:
The answer should be C: mostly in the 20th century
Explanation:
 
        
             
        
        
        
The answer is C) Two. Dipolar means there are two magnetic poles charging with the same magnitude but opposite polarity.
        
             
        
        
        
Answer:
Explanation:
bone is awalys thivk and heavy 
 
        
             
        
        
        
The correct answer is B: The cells will have 2n chromosomes and be diploid.
Diploid cell have two of each chromosome, one from each parent. When diploid cell undergoes mitosis, the result is two identical diploid cells (when haploid cell undergoes mitosis the result is haploid cell). This means that during the mitosis, cells reproduce genetically identical copies of themselves.
 
        
                    
             
        
        
        
Answer:
B, food production
Explanation:
The plant is producing food for itself