A. Forest fire
(trees take a long time to grow)
C
The houses are made to last for centuries
A drainage basin is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water. The people who live there are most often engaged in agriculture and agricultural industry, but they can also be working somewhere else. A lot of big cities are located in river basins because they are great locations for cities, sit that they can be connected with other cities on the river or other rivers (by boats...).
Explanation:
Answer: Sher Shah built an excellent network of roads to improve the communication system. He built four major roads among which the Grand Trunk road was the longest and the most important. It connected Sonargaon in the east to Peshawar in the north-west.
Answer:
The inner core would be the most dense
