Answer:
Recent studies have shown that dark skin colour was developed in the past for protection against cancer. Scientists claim that in the past natural selection favoured humans having dark colour as compared to humans having a fair colour. This is because humans having a darker colour produced more melanin which protected them from ultraviolet radiation. As a result, this skin colour protected more against skin cancer. Hence, Having a darker skin colour protected in survival and reproduction to people thousands of years ago. 
 
        
             
        
        
        
Answer:
This is what I found. So if you use this please reword it as your own. 
Explanation:
Have a great summer
 
        
             
        
        
        
Answer:
Was there meant to be a picture?
 
        
                    
             
        
        
        
Explanation:
Plants use photosynthesis to capture carbon dioxide and then release half of it into the atmosphere through respiration. Plants also release oxygen into the atmosphere through photosynthesis.
if my answer helps you than mark me as brainliest
 
        
                    
             
        
        
        
The Answer to this question is b