The economy of Cuba is a planned economy in which most of the industries are owned and operated by the government. The economy of North Korea is a strict, dictatorial command economy which is planned centrally.
The public sector is the dominating sector in Cuba composing 76% of employment as of 2000 but has experienced a decrease in dominance from its contribution of 91% in 1981. The North Korean economy, on the other hand, is tightly operated by the government with restrictions on the free market. When the government hold in Cuba on its economy has started to decrease, there is no such change in North Korea.
According to the article, jellyfish are invading the oceans near JAPAN. Fisherman in the area assert that the amount of fish and jellyfish in the waters have shifted drastically during their lifetime. There is a large abundance of jellyfish (making it difficult or impossible to fish some days) and a small number of other kinds of fish.
Humans may have caused this problem by over-fishing disrupting the balance of the underwater ecosystem. Jellyfish are eaten by some fish and compete with other species of fish. Also humans building docks, bridges, and other water infrastructures have led to a decline in habitat availability for jellyfish.
Answer:
Erosion is the wearing away of an object or substance through an external force. ... The banks of creeks and rivers erode over time as the water moves past it, carrying away sediment and depositing it elsewhere. An example of where a erosion takes place is the Grand Canyon, which was worn away over the course of tens of millions of years by the Colorado River with the help of winds whipping through the formed canyon; the Rocky Mountains in Colorado have also been the subject of intense geological study, with some...
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Because they have the most to lose, imagine it like you have 10 towers and all collapsed from a tsunami. And the village next to you also collapses. The ten towers lost way more money and people in it then the villages
In short answer, The developed country just simply has a lot more to lose then the lesser developed one.