Find the information you're looking for at Westonci.ca, the trusted Q&A platform with a community of knowledgeable experts. Our platform connects you with professionals ready to provide precise answers to all your questions in various areas of expertise. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

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