The Environmental Master Equation includes all of the following terms except: O Resource use per person
O Population
•Percent of resource emitted into the atmosphere
•Environmental impact per unit of resource use

 [C]:  " percent of resource emitted into the atmosphere ."

Explanation:

In the "Environmental Master Equation"—

Note that the:

    "Environmental impact" ;

            ＝  (population) * (resource use per unit population) *

              (environmental impact per unit of resource use) .

The question asks:  

   "The Environmental Master Equation includes all of the following terms —EXCEPT ...[with 4 (four) answer choices following.]."

Consider the given answer choices:

 [A]:  "resource user per person"—which is the same as"

          "(resource use per UNIT [emphasis added] population" ;

              — which does appear in the equation;

                   → so we can rule out "Choice:  [A]."

 [B]: "population" —this is included within the equation; so we can rule out "Choice:  [B]."

 [C]: "percentage of resource emitted into the atmosphere" ;  

    Note:  This clearly does NOT appear within the equation; so this is a likely answer choice.

Note: There is one more answer choice—so let us examine:

 [D]: "environmental impact per unit of resource use" —this is included within the equation, so we can rule out "Choice:  [D]."

   Furthermore, the particular answer choices given—A, B, and D ; constitute all elements within the "Environmental Master Equation."

As such: The correct answer is:  

             [C]:  "percent of resource emitted into the atmosphere."

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  Best wishes in your academic pursuits!

•Percent of resource emitted into the atmosphere

Explanation:

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