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
   20600
7. Balancing Chemical Equations. Balancing redox equations
   19768
8. Atomic Structure
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9. Periodic Behavior
   19644
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
    15850
14. Animal Farm
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15. Bonding, Molecular Shape & Structure
    14319
16. MakingFood
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17. Circulation and Gas Exchange
    13006
18. Fungi
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19. Atomic Structure and Periodic Trends
    12499
20. Volumetric
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21. DNA - An overview
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22. Feminism- Cure or Curse
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23. Atomic Structure and Periodicity
    12210
24. Hormones and the Endocrine System
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25. Derivation Applications of Bernoulli Principal
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26. Animal Development
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27. Osmoregulation and Excretion
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28. Plasma Membrane-Gateway to the Cell
    10586
29. Plant Structure, Growth, and Development
    10354
30. Acid, bases and salts
    9927
31. Development
    9874
32. Mirrors and Lenses
    9776
33. Balanced forces
    9718
34. Structure of the Atom
    9718
35. Pronouns
    9638
36. Mass Spectrometry
    9613
37. Nouns
    9520
38. Ancient Civilizations
    9484
39. Forests
    9211
40. Support and transport in plants
    9139
41. Atomic Structure
    9115
42. Resource Acquisition and Transport in Vascular Plants
    8977
43. Cell Types and Cell Structure
    8880
44. Newton’s third law of motion
    8677
45. Animal Nutrition
    8420
46. Transplantation Immunology
    8396
47. Cellular respiration
    8297
48. Growing Plants
    8119
49. Electrical Circuits
    8094
50. Sensory and Motor Mechanisms
    7957
51. Prepositions
    7880
52. Lab Equipment
    7814
53. Plant Responses to Internal and External Signals
    7738
54. Viruses, Viroids, and Prions
    7684
55. Of Mice and Men
    7601
56. Neurons, Synapses, and Signaling
    7555
57. Basic Structure of a Cell
    7504
58. Covalent Bonding (Molecules)
    7450
59. Plant structure adaptations and responses
    7447
60. Real time PCR and it's functions in diagnosis
    7415
61. A Tour of the Cell
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62. Ionic Bonding
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63. Cellular Division
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64. Blood Type Genetics
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65. To Kill a Mockingbird
    6870
66. Satellite Orbits and Uses NIS
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67. Molecules and Ions
    6805
68. Well logging The Bore Hole
    6731
69. Mendelian Genetics
    6598
70. The Immune System
    6573
71. Membrane Structure and Function
    6466
72. Rocks
    6448
73. The Chemistry of Acids and Bases
    6430
74. Animal Reproduction
    6417
75. Sound
    6373
76. Balancing Chemical Equations
    6358
77. Angiosperm Reproduction and Biotechnology
    6340
78. Rate Laws
    6223
79. Drama
    6194
80. Cell Communication
    6191
81. Hybridization of Orbitals
    6178
82. Plant Diversity
    6151
83. Mendel and the Gene Idea
    6141
84. Introduction to Oscillations and Simple Harmonic Motion
    6098
85. The Building Blocks of Matter Atoms
    6070
86. Empirical Formula
    6067
87. Electron Quantum Numbers
    6038
88. Translation. Protein from RNA
    6022
89. Neurons
    5904
90. An Introduction to Metabolism
    5857
91. The Mole
    5795
92. Karyotypes
    5735
93. ADP, ATP and Cellular Respiration
    5721
94. The Structure and Function of Large Biological Molecules
    5720
95. Earthquakes
    5700
96. Endocrine System
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97. Cell Membrane + Tissues & Organs Definitions
    5661
98. Conjunction
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99. Photosynthesis
    5512
100. Classical greek philosophy
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Research and Development, Experimental aerospace engineering center in Serbia (Space Technologies)