List 10 compound and their functional group

What semimetal can form four single covalent bonds.

What is happening when the water inside a kettle heats up and begins to boil

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