2 yeu cầu của nguyên tắc phát triển bền vững là gì?

In what for do plants utilize nitrogen? why do they need nitrogen?

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

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above