The Thermocline Prevents ____ the Top Layer of the Limnetic

question 53

Multiple Choice

The thermocline prevents ____ the top layer of the limnetic zone and the deep profundal zone.

• A) plankton growth in
• B) vertical mixing between
• C) autumn overturn in
• D) photosynthesis in
• E) detritus formation in

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Definitions:

System of Equations

A set of equations with multiple variables, where the solution is the set of values that satisfies all equations simultaneously.

Method of Elimination

A technique for solving systems of linear equations by adding or subtracting equations in order to eliminate one of the variables.

System of Equations

A set of equations with the same variables, where the solution must satisfy all the equations in the system simultaneously.

Method of Substitution

A technique used to solve systems of equations by solving one equation for one variable and substituting that expression into the other equation.