Question

which of the following biogeochemical cycles contain a mineral component?
a) phosphorus
b) carbon
c) nitrogen
d) oxygen

Answer 1

Answer is phosphorus.

The global phosphorus cycle has four major components:

(i) tectonic uplift and exposure of phosphorus-bearing rocks to the forces of weathering;

(ii) physical erosion and chemical weathering of rocks producing soils and providing dissolved and particulate phosphorus to rivers;

(iii) riverine transport of phosphorus to lakes and the ocean;

and (iv) sedimentation of phosphorus associated with organic and mineral matter and burial in sediments