Finnessinkid8690 Finnessinkid8690
  • 25-06-2024
  • Biology
Answered

The ultimate source of phosphates that are vital to living organisms is
a. the humus found in soils
b. the phosphatic bones of the buried vertebrate skeletons
c. the chemical weathering of the small amounts of the mineral apatite found in rocks
d. the phosphoric acid found in acid rain



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