The chemicals used on farms, golf courses, and domestic gardens are often to blame when groundwater becomes contaminated with..

a. fuel.

b. sewage.

c. nitrates.

d. acid.

answer:   the correct answer is:  

      answer choice: [c]:   " nitrates " .

explanation:

            "the chemicals used on farms, golf courses, and domestic gardens are often to blame when groundwater becomes contaminated with

  nitrates . "

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no

explanation:

since the earth is flattened at the poles and bulges at the equator, geodesy represents the figure of the earth as an oblate spheroid. the oblate spheroid, or oblate ellipsoid, is an ellipsoid of revolution obtained by rotating an ellipse about its shorter axis.