Consider the following statements:
1. Increasing the metacentric height of a ship causes increase in the period of rolling.
2. The frequency of pitching can be reduced by adding more loads along the length of a ship below its centre of gravity.
3. A ship has different metacentres in rolling and pitching
4. Stability can be improved by increasing the width and reducing the draft.
Which of the above statements are correct?
(A) 1, 2, 3 and 4 (B) 1, 2 and 4 only
(C) 1, 2 and 3 only (D) 2, 3 and 4 only