High density of people in Hong Kong, New york City, all big citys in India like Delhi or calcuta
Tectonic plates sliding past each other :)
Closed ecological systems are ecosystems that do not rely on matter with any part of an outside ecosystem. An example of closed ecosystems are aquarium ecospheres.
Answer: C) Plant D
Explanation:
While the other plants are being tested on, the scientist(s) can always refer back to Plant D because there is no experimenting taking place.
Commercial fishing off the coast of New England concentrates on lobster and cod.
