General Science » Exercise – 1
121. The age of most ancient geological formations is estimated by
(a) Ra – Si method
(b) Potassium – argon method
(c) C14 method
(d) Uranium – lead method
| Subject Name : General Science |
| Exam Name : UPSC, SSC, KVS, NVS, IBPS, RBI, SBI, RRB |
| Posts Name : Technical Assistant, Junior Scientist, Post Graduate Teacher, College Lecturer |
| General Science Books |
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