Respuesta :
The best thermal insulator will be A) Air
What is thermal insulator ?
Thermal insulator is the process of insulating against transmission of heat .
Air is the best thermal insulator if the distance between the molecule is greater because air has gaseous state , it is even harder for the heat to transfer through the material . Air is good insulator because its spread out molecular structure resists heat transfer .
correct option is a) Air
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