GKFix MCQ Question

What structural information is provided about Iron (Fe) in the table?

• A. It adopts only a hexagonal close-packed (hcp) structure.
• B. It adopts only a body-centred cubic (bcc) structure.
• C. It adopts only a cubic close-packed (ccp) structure.
• D. It can adopt either a body-centred cubic (bcc) or a cubic close-packed (ccp) structure.