Answer:
It is very much vital as long as we take care of it. The faces are that people are not taking care of it.
Explanation:
A megalopolis is A. a large city surrounded by many smaller suburbs.
An example of a megalopolis could be New York - it is a huge urban area which is surrounded by a lot of smaller areas which together make what New York is today.
I understand this question to mean "local diversity of human culture" (and not, for example, local biological diversity).
Local diversity can mean for example different food - different areas have their own food specialties).
It can also mean the customs and religions - for example how people eat (fork, chopstics, hands, etc).
Another example is the clothing, for example in India many women wear Saris, while in Europe women wear skirts or trousers.
the answer choice should be B
Some reasons are business travel, family matters, reunions, parties :)
