Answer:
A force exists that we knew nothing about that causes the acceleration.
Explanation:
In 1998, scientists observed from distances of supernovae in remote galaxies that the enlargement of the universe is accelerating. Besides, there is evidence that suggests that the universe is flat and infinite, as well as accelerating in its expansion. In that respect, the force suspected to be responsible for this is called dark energy.
Pangaea or Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras. it assembled from earlier continental units approximately 300 million years ago and it began to break apart about 175million years ago.
Answer:
Most 18th century Americans lived in self-sustaining rural communities. The Industrial Revolution witnessed the evolution of large urban centers, such as Boston and New York City, and spurred a massive internal migration of workers. The Industrial Revolution also stimulated the rise of unskilled labor.
