Regarding Hydrogen Fuel Cells - A lot of sources mention them as zero GHG tech.
1.But given the fact that they emit water vapour - shouldn't the case be that they emit GHG, but not harmful GHG's?
2.Also, isn't it the case that only pure hydrogen fuel cells wouldn't emit harmful GHG's? And others would
Regarding PT365 Environmemt Module:
The source mentions the last sighting of Himalayan Quail in 2010, while most internet sources date it back to 1870's (including WWF )
I'm skeptical of VisionIAS module's 2010 claim since there were other mistakes in the module
(Like they said Chairman of NBWL is the Environment Minister!)
Which one is the correct date?
1. Under Akbar, the system of Zabt was established over a large area from Punjab to Awadh.
2. In the seventeenth century North India, the system of Zabt lost much ground to the system of Kankut.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2