In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint ? 1. Copper slag 2. Cold mix asphalt technology 3. Geotextiles 4. Hot mix asphalt technology 5. Portland cement Select the correct answer using the code given below :
a
1, 2 and 3 only
b
2, 3 and 4 only
c
4 and 5 only
d
1 and 5 only
Sustainable InfrastructureEco-friendly Construction MaterialsCopper slagCold mix asphalt technologyGeotextilescarbon footprintrural road construction