A key characteristic of a suspension is that it is an "unstable" mixture. What does this mean in a scientific context?

The mixture is hazardous and can explode.

The components of the mixture will separate on their own over time.

The mixture's temperature changes rapidly.

The particles in the mixture are constantly dissolving and re-forming.

What is the primary reason that a mixture of sand and water is classified as a suspension?

The sand particles are too small to be seen.

The sand does not dissolve in the water.

The water is a liquid and the sand is a solid.

The sand changes the color of the water.

The mixture will remain muddy and uniform indefinitely.

The soil will form a chemical bond with the water, creating a new substance.

The soil particles will gradually sink and form a layer at the bottom.

The water will evaporate, leaving the soil particles suspended in the air.

Salt completely dissolved in water

Sugar and water stirred to make a clear liquid

Muddy river water after a storm