Answer:
The answer it's C. Carbon monoxide gas 
 
        
             
        
        
        
Answer:
50
Explanation:
their child has a 50% chance of having boss type o and a 50% chance of having blood type a
 
        
             
        
        
        
I believe that the areas are tropical and polar zones. 
 
        
                    
             
        
        
        
Answer:
Antidiuretic hormone
Explanation:
Antidiuretic hormone that is synthesized and produced in the brain by the hypothalamus, is secreted from the pituitary gland, where it is stored. This hormone is released into the blood stream in response to changes in the water balance in the blood. This hormone helps the kidneys to control and regulate the amount of water in the blood