Important Inventions and Discoveries in World » Exercise – 1
93. Who invented fuel cells in 1839?
(a) Buckminster Fuller
(b) Sir William Grove
(c) Sylvester Graham
(d) Joyce Hall
| Subject Name : General Knowledge |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
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