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"The Sound of Nature" PPT download
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"Strength and Weakness of Sound" PPT Courseware 2
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"Sounds of Nature" PPT courseware
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"Pay Attention to the Urban Environment" PPT courseware
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"Scientific Inquiry: The Generation and Transmission of Sound" The World of Sound PPT Courseware 4
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"How Sound is Produced" Various Sounds PPT Courseware 2
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"How Sound is Produced" Various Sounds PPT Courseware 2
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"Interesting Food Connections" Biology and Environment PPT Courseware
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"Make an Ecological Bottle" Biology and Environment PPT Courseware 5
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"How do we hear sounds" Various sounds PPT courseware 2
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Environmental Target Questionnaire.xls
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"Make an Ecological Bottle" Biology and Environment PPT Courseware 3
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