The arrows in the diagram show continuous, cyclic movements from one subsystem to another without an end. Reflect upon your previous answers and knowledge of Earth's subsystems to determine whether the arrows in the diagram best
represent matter, energy, or both. Explain your answer and provide at least one example that occurred during the
Precambrian era.

Brainliesttt !me : ) what brought about the end of the soviet union?

Which of the following is not true of the xiongnu empire? burial mounds included glass beads and mirrors made from the sands throughout the region. there was more cooperation through trade between the tribes. other tribal units that were eventually assimilated were indo aryan, xianbei, hunyu, scythina and han chinese. as each nomadic tribe and civilization was conquered or absorbed into the larger empire, the xiongnu were able to hold more territory.

Why did the third estate form the national assembly?