Option 1: Both the statements are individually true and Statement II is the correct explanation of Statement I.

Explanation: This option suggests that both statements are true, and Statement II explains why Statement I is true. However, this is incorrect because Statement II does not provide a correct explanation for Statement I. While both statements may be true, the second statement does not provide a correct explanation for the first statement.

Option 2: Both the statements are individually true but Statement II is not the correct explanation of Statement I.

Explanation: This option is correct. It acknowledges that both statements are true but states that Statement II is not the correct explanation of Statement I. In the context of the question, glacial troughs do have remarkably flat floors (Statement I), but the cause for this flatness is not uniform glacial erosion (Statement II). Therefore, this option provides the accurate evaluation of the statements.

Option 3: Statement I is true but Statement II is false.

Explanation: This option is incorrect. It suggests that Statement I is true, but Statement II is false. However, both statements are actually true.

Option 4: Statement I is false but Statement II is true.

Explanation: This option is incorrect. It suggests that Statement I