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
   20772
7. Atomic Structure
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8. Balancing Chemical Equations. Balancing redox equations
   20082
9. Periodic Behavior
   19858
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
    15952
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
    10750
29. Plant Structure, Growth, and Development
    10650
30. Acid, bases and salts
    10198
31. Development
    10161
32. Mirrors and Lenses
    10086
33. Structure of the Atom
    9906
34. Balanced forces
    9873
35. Ancient Civilizations
    9784
36. Mass Spectrometry
    9738
37. Pronouns
    9716
38. Nouns
    9651
39. Resource Acquisition and Transport in Vascular Plants
    9433
40. Forests
    9364
41. Support and transport in plants
    9307
42. Atomic Structure
    9276
43. Cell Types and Cell Structure
    8970
44. Newton’s third law of motion
    8896
45. Animal Nutrition
    8655
46. Transplantation Immunology
    8587
47. Cellular respiration
    8485
48. Growing Plants
    8321
49. Sensory and Motor Mechanisms
    8282
50. Electrical Circuits
    8219
51. Plant Responses to Internal and External Signals
    8076
52. Lab Equipment
    8007
53. Prepositions
    7958
54. Viruses, Viroids, and Prions
    7859
55. Neurons, Synapses, and Signaling
    7827
56. Of Mice and Men
    7778
57. A Tour of the Cell
    7644
58. Basic Structure of a Cell
    7630
59. Real time PCR and it's functions in diagnosis
    7580
60. Covalent Bonding (Molecules)
    7565
61. Plant structure adaptations and responses
    7527
62. Ionic Bonding
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63. Cellular Division
    7399
64. Mendelian Genetics
    7041
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
    6896
69. Well logging The Bore Hole
    6870
70. Sound
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71. The Immune System
    6786
72. Membrane Structure and Function
    6701
73. Animal Reproduction
    6671
74. The Chemistry of Acids and Bases
    6622
75. Angiosperm Reproduction and Biotechnology
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76. Rocks
    6591
77. Plant Diversity
    6547
78. Mendel and the Gene Idea
    6498
79. Cell Communication
    6475
80. Balancing Chemical Equations
    6468
81. Rate Laws
    6340
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
    6209
86. Empirical Formula
    6197
87. Electron Quantum Numbers
    6138
88. An Introduction to Metabolism
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89. Translation. Protein from RNA
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90. Neurons
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91. The Structure and Function of Large Biological Molecules
    5907
92. The Mole
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93. Cell Membrane + Tissues & Organs Definitions
    5855
94. Photosynthesis
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95. Karyotypes
    5821
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
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100. Conjunction
     5611

Research and Development, Experimental aerospace engineering center in Serbia (Space Technologies)