"Rapid Immigration from Other countries" <span>caused the population of the US to increase rapidly in the 1830s and 1840s
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The answer that best fits the blank is 5 BILLION. It is estimated for another 5 billion years that the Sun would still have enough fuel for hydrogen fusion. This fusion that occurs in the sun is what we are experiencing now which is its radiance and this is a very strong energy that is able to reach us. Hope this helps.
Answer:
A. They promoted the building of hotels, restaurants, services, and rapid transit to accommodate travelers.
Explanation:
If more people are showing up to a city via air travel, the city will want to accommodate as many of those people as possible, so those tourists will spend money in those cities, which will grow economies, leading to more growth
Answer:
The population of Africa has several specific characteristics:
- Very young: the population of Africa is very young, the median age in Africa is 19 years. For comparison, the median age in Europe is 43 years.
- High fertility: the average African woman has over 4 children, while the average European woman has 1 child or less.
- Very high population growth: because of the young population and the high fertility rate, the African population is growing very fast. Africa is projected to have over 4 billion people by the year 2100, currently, it sits at 1.3 billion people.
- Low life expectancy: the life expectancy in Africa has been improving, but it still low when compared to other parts of the world, sitting at around 60 years. For comparison, Japan, the country with the highest life expectancy on Earth, has a life expectancy of 84 years.
This is correct. Even the basic scientific theories get tested and checked time after time after time. The most basic example would be that people once thought the Earth was flat and now it changed and they believe it is round.