Top 100 presentations

1. Continuous Verb Tenses
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2. Support and transport in plants
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3. Anyong Tubig Anyong Lupa sa Asya
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4. Elements compounds and mixtures
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5. Chromosome
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6. Simple Verb Tenses
   20682
7. Balancing Chemical Equations. Balancing redox equations
   19934
8. Atomic Structure
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9. Periodic Behavior
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10. Newton’s laws of motion
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11. Periodic Trends
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12. Adverbs
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13. Percent Composition, Empirical and Molecular Formulas
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14. Animal Farm
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15. Bonding, Molecular Shape & Structure
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16. MakingFood
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17. Circulation and Gas Exchange
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18. DNA - An overview
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19. Fungi
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20. Atomic Structure and Periodic Trends
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21. Volumetric
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22. Feminism- Cure or Curse
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23. Atomic Structure and Periodicity
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24. Hormones and the Endocrine System
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25. Animal Development
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26. Derivation Applications of Bernoulli Principal
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27. Osmoregulation and Excretion
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28. Plasma Membrane-Gateway to the Cell
    10667
29. Plant Structure, Growth, and Development
    10508
30. Acid, bases and salts
    10068
31. Development
    10031
32. Mirrors and Lenses
    9991
33. Structure of the Atom
    9829
34. Balanced forces
    9795
35. Mass Spectrometry
    9678
36. Pronouns
    9676
37. Ancient Civilizations
    9636
38. Nouns
    9586
39. Forests
    9279
40. Resource Acquisition and Transport in Vascular Plants
    9256
41. Support and transport in plants
    9225
42. Atomic Structure
    9198
43. Cell Types and Cell Structure
    8919
44. Newton’s third law of motion
    8811
45. Animal Nutrition
    8547
46. Transplantation Immunology
    8484
47. Cellular respiration
    8403
48. Growing Plants
    8212
49. Electrical Circuits
    8149
50. Sensory and Motor Mechanisms
    8138
51. Lab Equipment
    7916
52. Prepositions
    7912
53. Plant Responses to Internal and External Signals
    7899
54. Viruses, Viroids, and Prions
    7771
55. Neurons, Synapses, and Signaling
    7719
56. Of Mice and Men
    7696
57. Basic Structure of a Cell
    7556
58. Covalent Bonding (Molecules)
    7507
59. A Tour of the Cell
    7505
60. Real time PCR and it's functions in diagnosis
    7495
61. Plant structure adaptations and responses
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62. Ionic Bonding
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63. Cellular Division
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64. To Kill a Mockingbird
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65. Mendelian Genetics
    6960
66. Blood Type Genetics
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67. Satellite Orbits and Uses NIS
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68. Molecules and Ions
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69. Well logging The Bore Hole
    6793
70. The Immune System
    6656
71. Sound
    6620
72. Membrane Structure and Function
    6578
73. Animal Reproduction
    6542
74. Rocks
    6522
75. The Chemistry of Acids and Bases
    6511
76. Angiosperm Reproduction and Biotechnology
    6489
77. Plant Diversity
    6445
78. Balancing Chemical Equations
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79. Cell Communication
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80. Mendel and the Gene Idea
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81. Rate Laws
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82. Drama
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83. Hybridization of Orbitals
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84. Introduction to Oscillations and Simple Harmonic Motion
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85. The Building Blocks of Matter Atoms
    6140
86. Empirical Formula
    6128
87. Electron Quantum Numbers
    6088
88. Translation. Protein from RNA
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89. An Introduction to Metabolism
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90. Neurons
    5956
91. The Mole
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92. The Structure and Function of Large Biological Molecules
    5808
93. Cell Membrane + Tissues & Organs Definitions
    5799
94. Karyotypes
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95. ADP, ATP and Cellular Respiration
    5755
96. Earthquakes
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97. Endocrine System
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98. Photosynthesis
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99. Classical greek philosophy
    5562
100. Conjunction
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Research and Development, Experimental aerospace engineering center in Serbia (Space Technologies)