Question

Excess P lost from the continents is stored in the oceans as....? a.) Sediment minerals b.)...

Excess P lost from the continents is stored in the oceans as....?

a.) Sediment minerals

b.) a calcium phosphate

c.) a fluorinated compound

d.) apatite

e.) all of these

f.) none of these

**I guessed sediment minerals and it was wrong.

The process of phosphate binding to a soil/sediment is called:

a.) fixation

b.) mineralization

c.) sorption

d.) a & c

e.) none of the above

*** I guessed mineralization and it was wrong.

Science   Earth-Sciences   
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Homework Answers

Answer #1

Answer 1- option b- calcium phosphate

phosphorus gets delivered to the vast water body of ocean through the process of continental weathering. The excess phosphorus delivered in the ocean is dissolved and stored as calcium phosphate.

Answer 2 - option c - sorption

when P, that is, phosphate is added in the soil and sediments the physical and chemical process of adsorption takes place. It happens when one substance gets attached to another substance. There are three types of sorption- adsorption, absorption ans ion exchange.

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