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  • Ice can be changed to water by?
    • (A) Destroying the atoms in water molecules
    • (B) Adding more water molecules
    • (C) Changing the motion of the water molecules
    • (D) Rearranging the atoms in water molecules
  • What are vaccines?
    • (A) Strands of nucleic acids
    • (B) Same as monoclonal antibodies
    • (C) Treated bacteria or viruses or one of their proteins
    • (D) MHC proteins

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