Which of the following is NOT a way to reduce our need for newly mined phosphate? Group of answer choices
a. flush used phosphorous fertilizer into waterways so that it does not inhibit the effectiveness of newly applied phosphorous
b. encourage organic farming methods
c. reduce soil erosion from agricultural lands so that more phosphorous is retained in the fields for crops
d. use phosphorous to grow food crops rather than biofuels crops
e. recycle phosphorous-rich animal waste and bones for use in fertilizer
Ans: a. flush used phosphorous fertilizer into waterways so that it does not inhibit the effectiveness of newly applied phosphorous
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