Explanation:
Organic compounds are defined as the compounds which contain carbon as their main element. For example,  is an organic compound.
 is an organic compound.
Generally, organic compounds are non-polar in nature and due to the presence of covalent bonding organic compounds have low melting point.
As compound A melts at  and is soluble  in water. This means it is an ionic compound as it has high melting point and it is also polar in nature.
 and is soluble  in water. This means it is an ionic compound as it has high melting point and it is also polar in nature.
Whereas compound B melts at  and is insoluble  in water. This means that this compound has covalent bonding and it is also non-polar in nature
. Hence, it is more likely to be organic in nature.
 and is insoluble  in water. This means that this compound has covalent bonding and it is also non-polar in nature
. Hence, it is more likely to be organic in nature.
Thus, we can conclude that compound B is more likely to be an organic
compound.
 
        
             
        
        
        
B is gas 
The chemical element krypton is classed as a noble gas and a nonmetal.
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The population decreases when the birth rate is less than the death rate.
        
             
        
        
        
Answer: the system of blood, blood vessels and the heart that carries blood throughout the body
Explanation: i hope this helps