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UPSC 2020 • Q78Environment, Ecology & Climate ChangeDifficult
Environmental Pollution, Waste Remediation & Forever Chemicals
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
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