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4 answers

Plate tectonics are the main cause.

http://en.wikipedia.org/wiki/Plate_tectonics

2006-09-06 14:15:28 · answer #1 · answered by · 5 · 0 0

Each is unique, an example Antartica = freezing cold
Galapagos Islands = rich with wild life

2006-09-06 21:11:25 · answer #2 · answered by sur2124 4 · 0 0

Depends on location, climate and population.

2006-09-06 21:13:55 · answer #3 · answered by sher_1107 1 · 0 0

Where do I begin??????????

2006-09-07 13:59:37 · answer #4 · answered by Amphibolite 7 · 0 0

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