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
   20747
7. Balancing Chemical Equations. Balancing redox equations
   20036
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
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29. Plant Structure, Growth, and Development
    10602
30. Acid, bases and salts
    10155
31. Development
    10132
32. Mirrors and Lenses
    10056
33. Structure of the Atom
    9888
34. Balanced forces
    9851
35. Ancient Civilizations
    9763
36. Mass Spectrometry
    9717
37. Pronouns
    9708
38. Nouns
    9639
39. Resource Acquisition and Transport in Vascular Plants
    9391
40. Forests
    9337
41. Support and transport in plants
    9280
42. Atomic Structure
    9256
43. Cell Types and Cell Structure
    8960
44. Newton’s third law of motion
    8872
45. Animal Nutrition
    8618
46. Transplantation Immunology
    8545
47. Cellular respiration
    8462
48. Growing Plants
    8294
49. Sensory and Motor Mechanisms
    8247
50. Electrical Circuits
    8201
51. Plant Responses to Internal and External Signals
    8024
52. Lab Equipment
    7980
53. Prepositions
    7945
54. Viruses, Viroids, and Prions
    7840
55. Neurons, Synapses, and Signaling
    7803
56. Of Mice and Men
    7753
57. Basic Structure of a Cell
    7609
58. A Tour of the Cell
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59. Real time PCR and it's functions in diagnosis
    7552
60. Covalent Bonding (Molecules)
    7545
61. Plant structure adaptations and responses
    7518
62. Ionic Bonding
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63. Cellular Division
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64. Mendelian Genetics
    7015
65. To Kill a Mockingbird
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66. Blood Type Genetics
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67. Satellite Orbits and Uses NIS
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68. Molecules and Ions
    6882
69. Well logging The Bore Hole
    6853
70. The Immune System
    6761
71. Sound
    6753
72. Membrane Structure and Function
    6655
73. Animal Reproduction
    6638
74. The Chemistry of Acids and Bases
    6590
75. Rocks
    6571
76. Angiosperm Reproduction and Biotechnology
    6567
77. Plant Diversity
    6521
78. Mendel and the Gene Idea
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79. Balancing Chemical Equations
    6442
80. Cell Communication
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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
    6199
86. Empirical Formula
    6185
87. Electron Quantum Numbers
    6125
88. Translation. Protein from RNA
    6068
89. An Introduction to Metabolism
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90. Neurons
    5995
91. The Structure and Function of Large Biological Molecules
    5883
92. The Mole
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93. Cell Membrane + Tissues & Organs Definitions
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94. Photosynthesis
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95. Karyotypes
    5808
96. Earthquakes
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97. ADP, ATP and Cellular Respiration
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98. Endocrine System
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99. Classical greek philosophy
    5623
100. Conjunction
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Research and Development, Experimental aerospace engineering center in Serbia (Space Technologies)