Consider the following statements about FCC and HCP crystal structure:
1. Both have same coordination number and atomic packing fraction.
2. Both represent closely packed crystal structure.
3. Both structures are generated by staking of close packed planes on top of one another, but only the stacking sequence is different.
Which of the statements given above are correct?
(a) 1 and 2 (b) 2 and 3
(c) 1,2 and 3 (d) 1 and 3