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unit2vocabulray
| Question | Answer |
|---|---|
| dissolve | to mix into liquid |
| retirement | the act of taking oneself away from a job |
| inefficient | not offering a good use of money and effort |
| vents | an opening through which a gas passes |
| charged | to fill with electricity |
| demonstration | something that explains,proves or shows something clearly |
| donors | a person who gives something |
| electrocuted | to kill by means of a very strong electric shock |
| attracted | to cause to come near |
| insulators | a material that does not carry electric charge |