I think it’s C because if you’re allergic to one cillian than you’re allergic to all of them 
Sorry if this is wrong
        
             
        
        
        
Dolly was a female fin Dorset sheep,
Although it has been claimed that dolly had 3 mothers. one provided the egg, another the DNA, and a third carried the cloned embryo to term.
So therefore, dolly has the genes of different species of sheeps.
Hope this helped!
        
             
        
        
        
Answer:
1. Both Hydrogen should be positive and Oxygen is negative. I can't tell which photo that would represent however my best guess would be #2.
2. D
3. A
 
        
             
        
        
        
Milankovitch cycle, its named for the man who theorized it
        
                    
             
        
        
        
They do lower the activation energy but they provide an alternate pathway for the reaction to happen quicker and they do not get used up in the reaction