The inner core is the layer that is completely made of solid iron and nickle 
        
                    
             
        
        
        
Answer:
heat transfer?
Explanation: look it up it says heat transfer
 
        
             
        
        
        
Answer:
Fertilization 
Explanation:
Fertilization may be defined as the process of formation of zygote by the fusion of male and female gamete. Fertilization is an important event of the sexual reproduction.
The haploid stage (gametes) that fuse together and forms the diploid stage (zygote) in alternation of generation. The zygote is the individual offspring of the result of fertilization.
Thus, the correct answer is option (3).
 
        
                    
             
        
        
        
Answer:
I think it's (Letter A) A bird has brown feathers that help it blend with ground where it's nest is located.
I hope this helps 
Explanation:
 
        
             
        
        
        
That one of then is not organic and the other is organic and remember -in stands for not