Based on the Lewis electron-dot diagrams of N2 and N2H4 , compare the strength of the nitrogen-to-nitrogen bond in N2 with the strength of the nitrogen-to-nitrogen bond in N2H4 .

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