If coolant and oil are mixing it is because of a failed head gasket. If it is under the car then maybe you have both an oil leak and coolant leak and they just happen to be dripping around the same area. Impossible to say over the computer. You could try to put a pieceof cardboard under it as it sits overnight and then see if you can tell exactly where it is comming from. Good luck.
A mixture of oil and water is a mixture, not an element. If by substance you mean not a pure substance (element or compound), then oil and water would be a substance (that is a mixture). If you mean oil and water separately, then oil is a mixture of hydrocarbons, and water is a compound (pure substance).
You mean Is Steel, Water, Oxygen, and gold which one is a component well. The only that is a mixture is water.
You mean mixture. A mixture is a physical combination. Think salt in water. A compound is a chemical combination. Think Hydrogen plus Oxygen makes water.
Under water.
Ink is a mixture.
Do you mean "Where are lagoons found in?" If so then this is the answer... Water
drowning?
submerged , under water
Under water.
A semi mixture would mean part or half of a mixture.
It is usually a mixture of alcohol and water in which 40%, by volume is alcohol.
It means to put completely under water