ना काह बर डुलर फाकया भन त्याह काठाका हाथा from
During wirter season, we feel the air of the bed-room cold as we get up
bed but when we stroll sometime in open air and return into the bed room,
the air of the same room is found warm, why?​

The coefficient of friction is a number that represents the resistance to sliding between two in contact with one another.

An ionic compound can conduct electricity when a it is dissolved in water b its crystals are ground into powder c it is in solid form d it is heated to just below its melting point

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.