Statement (I): Water entering into a condenser from the cooling tower has much dissolved impurities.
Statement (II): In a closed cooling system, the water is continuously aerated, therefore, there is abundant dissolved oxygen in this water.
1. Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
2. Both Statement (I) and Statement (II) are individually true but Statement (II) is not the correct explanation of Statement (I)
3. Statement (I) is true but Statement (II) is false
4. Statement (I) is false but Statement (II) is true