Answer:
A if not A then its D
Explanation:
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He found that the recessive trait such as the short plants disappeared, but only the dominent trait stayed which is tallness. When he allowed them to self pollinate, the recessive gene which is the shortness reappeared.
The earth's inner core is the innermost layer of the earth. Primarily, it is a solid ball composed of an iron-nickel allow and some other elements, which holds a radius of about 1,220 kilometers.
