What are mixtures that have evenly mixed groups of particles that do not settle out called?

Part of molten rock at mid-ocean ridges

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Which metal exist in liquid state and can be cut with knife ?