A recompense above the normal

What are transitions between a liquid and a solid called? identify which way they are transitioning

How many valence electrons are in atom of radon?

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