Answer:
Explanation:
This is because sickle cell disease is common in malaria dorminated area because their traits confers resistance to malaria. The red blood cells, which contain abnormal hemoglobin become sickle in shape after it has been affected by malaria parasite. Therefore, most American that have African ancestry are at high risk of 
the disease because the African ancestry are carriers if this gene and are inherited by the Americans.
 
        
             
        
        
        
Answer:
- Not enough evidence
  Sometimes there isn't enough evidence in a case to state fully what happened which can result into false accusation. It can also make the jury become confused and struggle to find whos the right murder due to the lack of evidence.  
- misinterpreted evidence
If a forensic scientist looks at a piece of evidence with the wrong theory they might try to prove their theory by trying to get proof out of it which can cuse a domino effect to where the wrong person can be accused of the wrong thing.
- false evidence
The evidence may be planted and the forensic science can look at it the wrong way similar to misinterpreted evidence. usually forensic scientist can see that it has been planted but when they figure that it has then its even harder to look for the real evidence. and it would take a longer process. And if they present the false evidence in court it may take a bad turn.
Explanation:
hope that helps >w<
 
        
             
        
        
        
<span>Lunar eclipses-maximum duration
1 HR 40 min (total) 
and
3 hours 40 minutes (partial-total-partial).<span> 
Solar eclipse-maximum duration
7 min 40 Sec (total at the equator) 
and
12 min 24 Sec for annular eclipses.</span></span>
        
             
        
        
        
The answer to this question is the Pyers
patches. The Pyers patches are lymphatic tissues found through
the small intestines that have an important role in the immune system. Pyers
patches are also known as the aggregated lymphoid nodules that monitors and
prevents growth of bacteria in the intestine that is harmful in the intestines.