The period of disunion occurred after the collapse of the Han Dynasty, China was split into several rival kingdoms.
American industry first used machines to do work previously done by hand is letter D which is cotton farming. Cotton has been in American industry since 1500's documented from sightings by the Coronado expedition 1540-42. White Gold is the appropriate term for cotton, <span>the natural fiber which continues to play an important role in the United States economy.</span>
Answer:
E
Explanation:
wild animals and poor weather were continuous threats
Answer:
Sedimentary rock: they are soft and made up of layers called strata.
Metaphoric rocks: They are crystalline and crystals within it are arranged in bands.
Igneous rocks: They are made of crystals( the size of the crystals depend on how fast the rocks cool). They usually don't react with acids, and they can be fine-grained, or glassy( like Obsidian)
Explanation:
Answer:
Sagittarius A* is the name of the black hole region that creates the gravitational force holding the Milky Way together.