Alice has type A blood and her husband mark has type B blood. Their first child, Amanda, has type O blood. Their second child has type AB blood. What is Alices genotype? Whats Marks genotype? Explain why.

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d.a round-trip ride to school and back