Which layers participated in the process of thermal radiation through

1.	Which layers participated in the process of thermal radiation through solids and liquids?
A.	1 micron to 1 mm thick
B.	2 micron to 2 mm thick
C.	1 micron to 0.5 mm thick
D.	2 micron to 4.57 mm thick
Answer» B. 2 micron to 2 mm thick

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Which layers participated in the process of thermal radiation through solids and liquids?

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