How much ice in grams would have to melt to lower the temperature of 57.4 g of water from 50.0 ∘C to 0 ∘C? (Assume that the density of water is 1.0 g/mL.)

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