What Is the Best and Most Complete Description of the Relationship

Multiple Choice

What is the best and most complete description of the relationship between various biogeochemical cycles on Earth,as we currently understand these cycles?

A) The cycles are unrelated;each element cycles independently.
B) Only water-soluble elements are interrelated,because they are all transported in water.
C) All materials present in organisms are interrelated,because they combine to form biological molecules.
D) Material interactions are far too complex to follow,and scientists have little or no idea how they interact in nature.
E) Materials interact through both abiotic parts of the cycle (for example,water transport) and through biotic parts (formation and decomposition of organic matter) .