<em><u>Earth's rotation is the rotation of Planet Eartharound its own axis. Earth rotates eastward, in prograde motion. ... The South Pole is the other point where Earth's axis of rotationintersects its surface, in Antarctica.</u></em>
 
        
                    
             
        
        
        
Answer:
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Answer:
Water (H2O)
Explanation:
Light reactions of photosynthesis release oxygen as a by-product. In the presence of sunlight, photolysis of water molecules occurs. Splitting of two water molecules obtains four electrons, four protons, and molecular oxygen. The oxygen-evolving complex, also called the water-splitting complex is associated with photosystem II (PS II). Splitting of water occurs in the oxygen evolving complex and the released electrons are passed one at a time to the reaction center of PS II. Therefore, a water molecule serves as a source of oxygen released during photosynthesis.
 
        
             
        
        
        
The answer is A. Amniotic sac
        
                    
             
        
        
        
Answer: <span>3′; 5′ to 3′ 
</span><span>A new nucleotide can only be added to the 3' end of a growing dna strand. dna therefore always grows in the 5' to 3' direction.
3' means 3' hydroxil groups that is free before synthesis can be initiated.
5' to 3' means that DNA is always synthesized in the 5' to 3' direction.</span>