Which structure in the kidneys' nephrons is mainly responsible for the filtration of the blood?

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

The diagram shows the layers of earth. convection currents in which region influence the movement of tectonic plates

Pl as time goes by and water goes through the water cycle again and again, the amount of water on earth: increases decreases ostays the same goes up and down