Which of the following statements is/are correct?
1. Acid rain reacts with buildings made from limestone.
2. Burning of sulfur-containing coal can contribute to acid rain.
3. Eutrophication is an effective measure to control pollution.
Select the correct answer using the code given below:1
1 and 2 only
2
2 and 3 only
3
1 only
4
1, 2 and 3