Read the given statements and select the correct option. Statement 1: Silver objects become green and lose their shine with the passage of time. Statement 2: Silver reacts with carbon dioxide and moisture present in the atmosphere.

• A.  Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
• B.  Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
• C.  Statement 1 is true and statement 2 is false.
• D.  Both statements 1 and 2 are false.