what two thing combined to make gold
Two primary colors combined creates a secondary color.
Pankration was a physical struggle between two men - a mix of boxing and wrestling - with 'no holds batted' which resulted in serious injury to the participants.
If there are two or more elements or compounds physically combined, then it can no longer be an element.
compound
properties
The combined force (net force) are the two forces added together.
compounds are chemically combined while mixtures are physically combined
The elements are: two hydrogen atoms and one oxygen atom. Combined they form water (H2O).
compound
Your liquids are immiscible.
A precipitate.