Answer: 1. recollapsing universe
4. critical universe
3. coasting universe
2. accelerating universe
Explanation:
The universe is continually growing and galaxies are moving apart relative to one another.
These four models foresee the expansion and possible contraction of the universe.
Recollapsing universe: this model predicts that galaxies will stop growing apart and start getting closer to one another. It predicts that there is enough density to stop the growth of the universe in the future.
Critical universe: the universe has the same density as the critical density. This is the difference between the density the universe requires to stop and that of a universe with too little density to ever stop expanding
.
Coasting universe: has enough density to enable galaxies to keep growing apart
, in essence, less than the critical density.
Accelerating universe: this model explains that the distance of far-off galaxies is growing exponentially from an observer over time.
Answer:
A breakdown in trading alliances change or loss of local culture a decrease in avilable jobs
Answer:
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Explanation:
Most of Japan's people live on plains and lowlands found mainly along the lower courses of the country's major rivers, on the lowest slopes of mountain ranges, and along the sea coast. This concentration of people makes Japan one of the world's most crowded countries. Densities are especially high in the urban corridor between Tokyo and Kobe, where 45 percent of the country's population is packed into only 17 percent of its land area. An ethnically and culturally homogeneous nation, Japan has only a few small minority groups and just one major language Japanese.
Answer:
Solar Power. When most people think of alternative energy sources they tend to use solar power as an example.
Nuclear Power. ...
WATER, air, coal ,etc,
Explanation:
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