4. Write at least a paragraph explaining the relationship between salinity and density.
Type your response here in paragraph form:

If the level of density increases, the salinity of the water will also increase. We refer this as a positive relationship. Many factors can cause change in density such as freezing or melting of polar ice. Adding salt to water will increase density due to the fact that salt increases the mass without changing the volume.

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answer; (d) all of the above; 100%