The Sun is a main-sequence star, and thus generates its energy by nuclear fusion of hydrogen nuclei into helium. In its core, the Sun fuses 620 million metric tons of hydrogen each second. The nuclear binding energy curve.
I hope this helps
 
        
                    
             
        
        
        
False, the Arctic National Wildlife Refuge can not provide us with nearly on hundred years worth of oil.
        
                    
             
        
        
        
The humerus and femur are joint bones, while vertebrae and carpals connect together to create a much bigger bone. 
 
        
             
        
        
        
Answer:
as the question does not contains image i have  already mentioned the link to image in ask for detail section therefore i will answer according to that image.
the answer is "B"
Explanation:
Because before crossing over but after duplication both chromosomes will have same alleles as GgDd therefore according to the image the answer will be option "B". as this option showed duplicated chromosomes.
 
        
                    
             
        
        
        
A Pangaea...Hope This Helped U ♡