Answer: C
Explanation: I left a potato out exposed to air before and it turned brown. I forgot what it’s called but it’s definitely C
 
        
             
        
        
        
To answer your question: the nucleus has a membrane.
 
        
             
        
        
        
The normal human karyotypes contain 22 pairs of autosomal chromosomes and one pair of sex chromosomes.
Therefore the best answer choice is:
<span>B. 1 pair of sex chromosomes and 22 pairs of autosomal chromosomes are pictured.
</span>A karyotype is an organized profile of a person's chromosomes. Two chromosomes specify sex, XX for female and XY for male. The rest are arranged in<span> pairs, numbered 1 through 22, from largest to smallest.</span> 
        
             
        
        
        
I think it's C. Indian Ocean. All the rest are a bit too far north.
        
                    
             
        
        
        
Answer:
when a person has aids they usually start coughing up blood
Explanation: