4. looking at the heat circulation in the ocean, what might happen to it if large amounts of cold water are added in the polar regions as glaciers melt? (3 points)

if its a polar reigon and you are adding cold water it mainly depends on how hot or the tempurture of the water but i say yes it will melt

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

that is wrong, its not thymus.