Why Is It Significantly Less Costly to Purify Fresh Water

question 65

Multiple Choice

Why is it significantly less costly to purify fresh water through reverse osmosis than to purify salt water through reverse osmosis?

• A)The osmotic pressure exerted by fresh water is less.
• B)The osmotic pressure exerted by fresh water is greater.
• C)For non-coastal regions,the salt water needs to be transported many miles from the oceans.
• D)The expense of reverse osmosis is not dependent upon the salt concentration in the water.

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Definitions:

Law of Parsimony

A principle that suggests when faced with competing hypotheses, the one that makes the fewest assumptions should be selected.

Fewest Constructs

Refers to employing the minimum number of conceptual or theoretical tools necessary to effectively understand and interpret a phenomenon or data set.

Dependent Variable

In experimental and observational studies, it is the variable being tested and measured, which is hypothesized to be affected by one or more independent variables.

Self-Esteem

An individual’s subjective evaluation of their own worth or value.