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| First Page | Document Content | |
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 Date: 2012-10-17 01:11:11Flightless birds Poles Penguins Extreme points of Earth Polar ecology Polar bear Killer whale Adélie Penguin Antarctica Physical geography Zoology Megafauna |
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| First Page | Document Content | |
|---|---|---|
Date: 2012-10-17 01:11:11Flightless birds Poles Penguins Extreme points of Earth Polar ecology Polar bear Killer whale Adélie Penguin Antarctica Physical geography Zoology Megafauna |
|
Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . For the teacher v Unit 1: What is an environment Unit 5: Living together