What does Marco scale mean

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

Brainliest ! is slowing down a car an example of acceleration? explain. - explain correctly

Me the formula cacl2 represents the compound