Which animal has the most expensive mode of locomotion?

The shift of a vehicle's weight around its center of gravity is known as

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

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?