Which of these statements are correct?

Question

Consider the following statements:

In an irreversible process      

1. Entropy always increases.
2. The sum of the entropy of all the bodies taking part in a process always increases.
3. Onece created, entropy cannot be destroyed.

Which of these statements are correct?

(a) 1 and 2                   (b) 1 and 3

(c)2 and 3                    (d)1,2 and 3