Answer: Option (C)
Explanation:
A tombolo is a depositional feature that is formed when the longshore current, moving parallel to the sea shore, carries the sand long with them and deposits along the shoreline. After this, subsequent backwash carries the sands along with it and deposits at a right angle to the sea shore. This deposited sands and other materials connects the shore to an island and this features are known as tombolo.
Thus, the correct answer is option (C).
Answer: In compacted living spaces, and very packed together
Explanation: In east asia there are hardly any houses and flats, the most is a very miniture apartment that a family of three or more has to share because the culture within china is to take care of their parents thus the elderly will live with their children's family making what little space was available even smaller. Life is quite difficult becuase people have larger families and some only have one person working to provide money and food thus money is very tight.
The distance from Nassau to Havana in a straight line is about 345 km. I checked it with GoogleMaps, you can find a picture in the attachment. I hope that's what you meant :)