Answer:
Hypertonic
Explanation:
Hypertonic solutions have less water ( and more solute such as salt or sugar ) than a cell. Seawater is hypertonic. If you place an animal or a plant cell in a hypertonic solution, the cell shrinks, because it loses water ( water moves from a higher concentration inside the cell to a lower concentration outside ).
You should test your hypothesis.
A heterogeneous mixture composes of non- uniform components, so the concrete would be the answer, because you can tell the components from one another.
B) A disease can destroy everything