Why is the atomization enthalpy of Na (s) lower than the sublimation enthalpy of Na? atomization enthalpy of Na= 107 kJ/mol
sublimation enthalpy of Na =108 kJ/mol

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals