Read the statements given below and select the correct answer:
 
1. A student observed that chopped vegetables cannot be restored to their original form.

Assertion (A): Chopping vegetables is an irreversible change.

Reason (R): Once vegetables are chopped, their original size and shape cannot be obtained again.
 
2. A student said that boiling water is an irreversible change because steam cannot become water again.

Assertion (A): Boiling water is an irreversible change.

Reason (R): Steam can be cooled to form water again.