Consider the following statements regarding High-Performance Buildings (HPBs):
1. HPBs use materials with low embodied carbon to reduce the environmental impact.
2. Low-emission interior materials in HPBs improve indoor air quality by reducing the concentration of volatile organic compounds.
3. Water management systems in HPBs are primarily designed to discharge wastewater into municipal treatment plants.
Select the correct answer using the codes given below:
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
All of the above