If the parents have black hair then all the kids would have black hair (a)
if one parent has blonde hair and the other has black hair then 2 kids would be blonde and 2 would have black hair (d)
if the parents have blonde hair then the kids would have blonde hair (c)
Answer:
It is A Pls correct me if I'm wrong
Explanation:
4 mps increase in 10 seconds = 2 mps increase in 5 seconds = .4meters/2sec
