Answer:
f the object has an irregular shape , the volume can be measured using a displacement can . The displacement can is filled with water above a narrow spout and allowed to drain until the water is level with the spout. As the irregular object is lowered into the displacement can, the water level rises.
Explanation:
So you could trade in and out of the gulf of mexico instead of going all the way around......easy access
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.