Sand, marbles, and water can be a mixture.
Yes of course. "and and water" is a mixture of "and" & "water."
Water is a compound
The mixture water-ethanol is homogeneous.
mixture dissolve in a water
Vinegar is a dilute mixture of acetic acid and water.
Water is a compound - H2O.
Dirt and water
Sandy water is a mixture.
Water is a compound, not a mixture.
When water is the solvent, the mixture is a solution.
Sand in water is a mixture. Because you can differentiate between the sand and water, it is a heterogeneous mixture.