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"Photosynthesis absorbs carbon dioxide and releases oxygen" Carbon-oxygen balance in green plants and biosphere PPT courseware 6
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2023-10-05 09:28:56
"Photosynthesis absorbs carbon dioxide and releases oxygen" Carbon-oxygen balance in green plants and biosphere PPT courseware 2
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2023-09-25 18:29:05
"Photosynthesis absorbs carbon dioxide and releases oxygen" Carbon-oxygen balance in green plants and biosphere PPT courseware 7
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2023-10-05 09:28:56
"Photosynthesis absorbs carbon dioxide and releases oxygen" Carbon-oxygen balance in green plants and biosphere PPT courseware 4
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2023-09-25 18:27:35
"Photosynthesis absorbs carbon dioxide and releases oxygen" Carbon-oxygen balance in green plants and biosphere PPT courseware 7
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"Sufficient Conditions and Necessary Conditions" collection and common logical terms PPT (Lesson 1 Sufficient Conditions and Necessary Conditions)
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"Transformation of Sulfur" Nature and Transformation of Matter PPT (Lesson 1 Sulfur elements in different valence states in nature and the transformations between them)
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2023-09-25 17:34:01
"Classification of Elements and Matter" PPT courseware of elements and the world of matter (an important mixture in Lesson 2 - colloid)
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"Rational Use of Chemicals" Chemistry and Sustainable Development PPT Courseware (Safe Use of Food Additives in Lesson 2)
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2023-10-05 09:39:15
"Classification of Elements and Matter" PPT courseware of elements and the world of matter (an important mixture in Lesson 2 - colloid)
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2023-09-25 17:34:04
"Diversity of Iron" PPT courseware on the properties and transformation of matter (the transformation relationship between iron and its compounds in Lesson 3)
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2023-09-25 17:34:01
"Sulfur and Its Compounds" Important non-metallic elements in chemical production PPT (Test of sulfate ion in lesson 2)
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2023-09-25 17:34:00
"Three-dimensional Figures and Plane Figures" Preliminary PPT of Geometric Figures (Look at the expansion of three-dimensional figures and three-dimensional figures from different directions in the second lesson)
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2023-10-05 09:40:10
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 2 Laboratory preparation method of chlorine gas and test of chloride ions)
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2023-10-05 09:46:46
"Chlorine and its Compounds" Important elements in seawater - sodium and chlorine PPT (Lesson 2 Laboratory preparation method of chlorine and test of chloride ions)
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2023-09-25 18:21:26
"Commonly Used Logical Terms" Sets and Commonly Used Logical Terms PPT (Lesson 2: Negation of universal quantifier propositions and existential quantifier propositions)
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2023-09-25 17:29:13
2019 extremely simple investment promotion cooperation plan business activities sports event assembly exhibition project sponsorship investment promotion plan event publicity general PPT template
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2020-10-13 13:10:02
2019 extremely simple investment promotion cooperation plan business activities sports event assembly exhibition project sponsorship investment promotion plan event publicity general PPT template
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2020-10-13 13:10:02
"Diversity of Iron" Properties and Transformation of Matter PPT (Lesson 2: The transformation relationship between iron, iron oxides and iron hydroxides, iron and its compounds)
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2023-09-25 17:34:02
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