Answer: Declaration of Independence
Explanation: It was the Articles of Confederation that provided the necessary structure to the new nation during and after the American Revolution.
Answer: watersheds, wetlands, forest, and vegetation
Explanation:
Answer:
The indigenous peoples of the Americas arrived in North America via the Bering Strait land bridge, which existed approximately 15,000 years ago between Siberia and Alaska, and probably also via a succession of sea migrations from Asia.
These four subsystems are called "spheres." Specifically, they are the "lithosphere" (land), "hydrosphere" (water), "biosphere" (living things), and "atmosphere" (air). Each of these four spheres can be further divided into sub-spheres
