The answer is D. An experiment in which the outcome is repeatable.
I am pretty sure it is the exogenous
The endings of certain Chromosomes detach and mix up until the endings go to different Chromosomes from which they started at
The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms. When a neutral molecule has a positive area at one end and a negative area at the other, it is a polar molecule.
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