The answer is (b.) fertilization
The fertilization is the stage where the egg cell or the
so-called ovum fused with the sperm cell which eventually leads the development
of the embryo or the zygote. The Embryogenesis starts when the zygote undergoes
mitotic divisions or also known cleavage process.
 
        
             
        
        
        
Answer:
there is no image attachment. if u add one, i can help!
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Explanation:
have a good day! 
~mina
 
        
             
        
        
        
Answer:
Avoid putting oils in water, and don't put trash in it either.