Step 1: Understanding the Concept:
Molybdenum is a trace mineral.
It interacts with other minerals in the body.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the interactions between minerals.
Step 3: Detailed Explanation:
Excess molybdenum in the diet leads to decreased copper retention in the liver.
This is because molybdenum and copper are antagonists.
High molybdenum causes copper deficiency.
Thus, copper retention is decreased.
Step 4: Final Answer:
Excess molybdenum leads to decreased copper retention in the liver.
Hence, the correct option is (C).