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:
The demographic transition model is characterized by relatively low growth rates at stage 1 and stage 4.
Explanation:
A is not correct because the demographic transition model has proven to be very reliable over time and that it manages to predict the population dynamics very precisely.
B is not correct because it is not just Russia's population that has been predicted well, but it is the case for most of the countries.
C is not correct because the demographic transition model has more than two stages.
D is not correct because this model doesn't predict that technology will be used to extand the limits of food production, thus it is not portrayed in a negative manner.
E is correct because stage 1 has high birthrates and high death rates, the population is still living in more primitive manner and bad conditions, and the growth is very mall, while stage 4 is the stage where the population is living in good conditions and has a high standard of living, with birthrates dropping, and the population gradually aging.
Answer;
Fado is Portugal's main traditional music and is a form of song which can encompass anything and everything but is mainly characterised by mournful and melancholy tunes and lyrics. In 2011, Fado was added to UNESCO's Representative List of the Intangible Cultural Heritage of Humanity.
In popular belief, fado is a form of music characterized by mournful tunes and lyrics, often about the sea or the life of the poor, and infused with a sentiment of resignation, fate and melancholia.
The pressure is to high your internal organs would burst, so you need more gear then scuba gear such as a sumbarine
There are 365 days in a year!
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