This situation is a good analogy for a substance with a very high density.
The density of any substance is the mass per unit volume. In this case, the mass confined in the given volume is very high, which is the case for a substance with a high density. The particles in the material are also closely packed.
<span>from a trough to the rest position and from a crest to the rest position.
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Solute is dissolved by a solvent
pressure decreases<span> with increasing </span>altitude<span>. The </span>pressure<span> at any level in the atmosphere may be interpreted as the total weight of the </span>air<span> above a unit area at any </span>elevation<span>. At higher elevations, there are fewer </span>air<span> molecules above a given surface than a similar surface at lower levels.</span>