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anonymous

  • one year ago

A physical change is a change in the properties of matter that does not change the identity of the substance. a change in the properties of matter that changes the identity of the substance. a change in the chemical makeup of matter. a change of matter from one substance to an new substance.

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  1. anonymous
    • one year ago
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    @AnimeQueen @angelgirl129 @DullJackel09

  2. anonymous
    • one year ago
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    Physical changes are changes affecting the form of a chemical substance, but not its chemical composition.

  3. anonymous
    • one year ago
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    r u sure

  4. anonymous
    • one year ago
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    @danicap

  5. anonymous
    • one year ago
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    @yomamabf @Yolo4mecuite @YanaSidlinskiy

  6. anonymous
    • one year ago
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    all of the above

  7. anonymous
    • one year ago
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    there is only one @yomamabf

  8. anonymous
    • one year ago
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    yes, I am sure

  9. anonymous
    • one year ago
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    another one

  10. anonymous
    • one year ago
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    so, it's A

  11. anonymous
    • one year ago
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    Which of the following is not a physical change? Dissolving salt in water Baking a cake Melting wax Freezing water

  12. anonymous
    • one year ago
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    melting wax

  13. anonymous
    • one year ago
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    which of the following in not necessary for a plant to do photosynthesis? Carbon Dioxide Soil Water Light

  14. anonymous
    • one year ago
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    @danicap

  15. anonymous
    • one year ago
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    it didn't say soil, so

  16. anonymous
    • one year ago
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    a right

  17. anonymous
    • one year ago
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    The mass of the products in a reaction is always _______ when compared to the mass of the reactants in a reaction. greater lower equal inversely proportionate @danicap

  18. anonymous
    • one year ago
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    equal

  19. anonymous
    • one year ago
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    r u sure

  20. anonymous
    • one year ago
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    yes

  21. anonymous
    • one year ago
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    Which of the following is a change from a less condensed to a more condensed state of matter? Boiling Evaporating Condensation Melting

  22. anonymous
    • one year ago
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    @demonchild99 @danicap

  23. anonymous
    • one year ago
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    boiling i believe

  24. anonymous
    • one year ago
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    let me check first

  25. anonymous
    • one year ago
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    The number of organisms in each trophic level are shown in a number graph. number pyramid. population pyramid. population graph. @danicap

  26. anonymous
    • one year ago
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    number pyramid right

  27. anonymous
    • one year ago
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    yes

  28. anonymous
    • one year ago
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    thx

  29. anonymous
    • one year ago
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    Which of the following elements is an example of a metalloid? Silicon Sodium Silver Platinum @danicap

  30. anonymous
    • one year ago
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    A

  31. anonymous
    • one year ago
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    What are the products of aerobic respiration? Glucose and carbon dioxide Carbon dioxide, water, and energy Oxygen, water, and energy Glucose, oxygen, and energy @danicap

  32. anonymous
    • one year ago
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    Aerobic respiration occurs when your cells produce energy in the presence of oxygen. Aerobic respiration is the process most living things undergo to use food energy.Respiration is the metabolic process of most living things in which food molecules (glucose) are turned into usable energy for the cell (ATP). It is the anti-process to photosynthesis, in which plants use sunlight and carbon dioxide to build food molecules, releasing oxygen as a waste product.

  33. anonymous
    • one year ago
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    so, what do you think?

  34. philcua
    • one year ago
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    hi

  35. anonymous
    • one year ago
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    A

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