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States of Matter 107
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Solutions 61
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Nomenclature 15
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Hydrocarbons 13
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Alcohols 3
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Amines 2
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Polymers 5
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Biomolecules 13
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Proteins 26
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Enzymes 4
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Lipids 14
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Metabolism 39
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Vitamins 4
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Hormones 1
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Alloys 1
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Nucleus 1
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Cell Cycle 18
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Ecosystem 35
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Biomes 24
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Food Chains 15
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Biodiversity 23
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Habitat 4
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Skeletal System 116
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Nervous System 110
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Porifera 6
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Cnidaria 6
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Nematoda 6
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Annelida 7
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Arthropoda 12
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Mollusca 4
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Chordata 5
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Fish 76
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Amphibians 10
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Reptiles 14
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Birds 2
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Mammals 106
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Anatomy 17
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Physiology 19
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Reproduction 23
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Behavior 63
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Bacteriology 32
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Virology 32
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Mycology 16
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Parasitology 51
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GMOs 4
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Bio Enzymes 21
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Bio Hormones 32
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B Cells 1
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Clouds 1
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Marine Life 47
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Wetlands 5
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Tsunamis 1
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Quizzes, Questions & Answers
Recent Quizzes
Think you know everything there is to know about electromagnetic waves? This quiz can help. You should be aware of what ground wave communications are most effective, what ionization is, the greatest range that the ionosphere...
Questions: 33 | Attempts: 3021 | Last updated: Nov 16, 2023
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Sample QuestionGround-wave communications is most effective in what frequency range?
What do you know about the electromagnetic spectrum? If you have a good knowledge of electromagnetic waves, play the quiz given below and evaluate yourself. Electromagnetic energy describes all the different kinds of energies...
Questions: 10 | Attempts: 26315 | Last updated: Sep 9, 2025
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Sample QuestionWhat type of waves are used to transmit cellular telephone messages?
What do you know about the electromagnetic spectrum? Do you think you can pass this quiz? Concerning this quiz, you should understand the longest and shortest wavelength of the spectrum, what shows up as a white image, what is...
Questions: 10 | Attempts: 1440 | Last updated: Sep 2, 2024
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Sample QuestionThe longest wavelength of the spectrum.
I think that a particle must have a separate reality independent of the measurements. That is an electron has spin, location and so forth even when it is not being measured. I like to think that the moon is there even if I am not...
Questions: 7 | Attempts: 706 | Last updated: Mar 21, 2023
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Sample QuestionWhich of the following electromagnetic waves has the highest frequency?
How much do you know about the radio waves? Waves are types of electromagnetic radiation, and they have the longest wavelength in the electromagnetic spectrum. A radio wave is created when an electric field and magnetic field...
Questions: 19 | Attempts: 520 | Last updated: Mar 21, 2023
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Sample QuestionWhich of the following uses radio waves to transmit information?
This quiz will test your basic understanding of infrared waves.
Questions: 5 | Attempts: 115 | Last updated: Feb 12, 2024
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Sample QuestionNear infrared is emitted by the sun.
Explore the discovery, properties, and applications of X-rays. Learn about their generation, medical uses, and how they interact with different materials.
Questions: 5 | Attempts: 272 | Last updated: Mar 21, 2022
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Sample QuestionX-Rays were first observed and documented by?
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