Why are some places densely populated in Nepal?

some places are densely populated in nepal because of following ways:

Explanation:

1)because in nepals context people live whereever they like

2)because people dont have their own apartment

3)because nepals government is not paying attention

4)because people love to live with relatives and sit nearby them

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the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.