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Physical geographical elements and phenomena PPT Free Resources Download
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"Hazards and Control of Noise" PPT courseware on acoustic phenomena
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"Preliminary Understanding of Chemical Elements" Representation of Chemical Elements and Substance Composition PPT Courseware
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"Atomic Structure Periodic Table of Elements" Atomic Structure and Periodic Table of Elements PPT
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"Preliminary Understanding of Chemical Elements" Representation of Chemical Elements and Substance Composition PPT Courseware
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"Magnetic Phenomena: Magnetic Field" Electricity and Magnetism PPT Courseware 5
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"Chemical Elements and Human Health" Chemistry and Life PPT Courseware 2
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"Elements Composing Matter" PPT
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"Elements Composing Matter" PPT
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"Elements, oxides and hydroxides of iron" Iron and its compounds PPT
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"Chemical Elements and Human Health" Chemistry and Life PPT Courseware 5
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"Classification of Elements and Matter" Elements and the Material World PPT (an important mixture in Lesson 2 - colloid)
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"Global Warming and Water Crisis" Temperature and Physical State Changes PPT Courseware 2
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