Which isotope has a relatively short half-life

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

St. louis, missouri, and san francisco, california, both lie around 33° north latitude. st. louis is inland, while san francisco is on the coast of the pacific ocean. which statement about these north american cities would be true? san francisco will be warmer than st. louis in the winter. san francisco and st. louis will be about the same temperature year round. san francisco will be warmer than st. louis in the summer. san francisco will be warmer than st. louis year round.

This country is the world's leading producer of cork?