A scientist is studying the liquid shown here. She thinks the liquid is a mixture. Describe an investigation she could do to demonstrate that the liquid is in fact a combination of substances.

There is no reference but she can demonstrate that the liquid is a combination of other substances by:

If solids:

1. If you can see any solids
2. Reducing the temperature of the liquid so that the dissolved solid will crystallize.

If Liquids:

1. Fractional distillation
2. Observe difference in density

Your answer is water because there is combined mass of water found on, under, and over the surface of a planet. your answer is water.

Can you write it in english