B. the reason why scientists do he experiment more than once is because they have to compare the first attempt and the second attempt . Because if they are different they have to figure out what id the different or aka what is different. hope this helps ;)
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Answer:</h3><h3>brainiest </h3><h3>
Explanation:</h3>
its H because his maternal grandfather is on his moms side of the family and has the recessive allele not his grandfather on his dad's side
Explanation:
From the allergy of the sun. Because of a condition called Polymorphous light eruption that causes a spottyvree rash.
