<span>I also believe its (c) industrial and agricultural runoff, coastal infrastructure development, and dredging 
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Answer: His genes contain a mutation that prevents red blood cells from proper functioning.
Explanation:
Hereditary anaemia is a type of disorder that are genetically transmitted to the offsprings by the parents . These type of anaemia are inherited from the parent including sickle cell anaemia.
The offsprings inherent Gene mutation that cause abnormalitiies. They inherit abnormal haemoglobin that can reduce the life span of red blood cells thereby affecting their proper functioning of carrying oxygen in the blood, leading to anaemia.
 
        
                    
             
        
        
        
The external crystal form of a mineral Rounded: Any clast with smooth edges. Usually indicates abrasion by moving water or wind. Also the answer to this question is in magmas/ lavas many mineral grains are growing  simultaneously. These grains grow into one another and form an interlocking texture.  
        
             
        
        
        
If ecology is an option than it is that.
 
        
             
        
        
        
Answer:
i dont know what work this is it looks hard
Explanation:
but sorry icant help