And if and because or up down and below or above or beneath
        
             
        
        
        
Northern hemisphere : Summer because it is tilted towards the sun.
Southern Hemisphere : Winter because it is tilted away from the sun.
        
             
        
        
        
The complementary pair would be 3' TACCCCGCG 5'
I hope I helped!
        
                    
             
        
        
        
Answer – 3. A weakened form of a virus
 When getting a vaccination, the substance which is injected into the body is a weakened form of a virus. This weakened from of the virus has the ability to arouse the body’s defense mechanism without causing an infection.
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