Transfers nutrients and oxygen from the mother's blood into the blood of the fetus through the process

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

What occurs to the cell during mitosis

Which description provides the best objective summary of the article in the passage?