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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Suman Kumar
option D is correct
https://www.google.com/url?sa=t&source=web&rct=j&url=http://diau08.ac.nctu.edu.tw/course/2017/ch10.pdf&ved=2ahUKEwjzxNOM0eDrAhUaILcAHV7mBpUQFjADegQIChAJ&usg=AOvVaw3KgR1c30oKdf97jPotzbaY
mam option a ni ho skta ?