UPSC Civil Services Prelims 2019
Question 54 of 67Environment and Ecology
In the context of which one of the following are the terms ‘pyrolysis and plasma gasification’ mentioned?
AExtraction of rare earth elements
BNatural gas extraction technologies
CHydrogen fuel-based automobiles
DWaste-to-energy technologies
Correct Answer
The correct answer is hidden
Explanation
42 words hidden ... for reducing waste volume and recovering energy or synthesis gas. They are not primarily techniques for rare-earth ... 39 words hidden