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Thomas Pettengill

@thomaspettengill9641

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lessons on Merit
3
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AP Environmental Science

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13:28
APES · Island Biogeography and Ecological Succession

Island Biogeography Theory

Thomas Pettengill

4.4K views on YouTube

19:32
APES · Irrigation, Pest Control, and Meat Production

Meat Production Methods

Thomas Pettengill

632 views on YouTube

17:01
APES · Age Structure and Fertility

Human Population Dynamics 2: Age structure diagrams, One-Child policy, Life Expectancy

Thomas Pettengill

512 views on YouTube