Why do the oceans play such a large part in the water cycle

In a copper wire, a temperature increase is the result of which of the following

Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons

How is the way a mixture is combined different from how a compound is combined?