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Alex Edmonds

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Stand Alone

Greenhouse Effect
The ozone hole
Acid rain
The greenhouse effect
Closer Look at Penguins, Falcons, Finches and Other Birds
Closer Look at Acid Rain
Closer Look at the Greenhouse Effect
The Ozone Hole
Closer Look at Snakes, Lizards, Dragons and Other Reptiles
The Ozone Hole
The Greenhouse Effect