Physics

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  1. 2. what is the charge of electrons?
  2. 5. what are materials with low thermal conductivity called?
  3. 6. which sort of materials have a high thermal conductivity?
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  1. 1. what is the main heat transfer in fluids?
  2. 3. what is a space with no particles called?
  3. 4. what is the unit energy is measured in?