1.

Match the following.ScientistDiscovery1) Joseph Thomsona) Optical Fiber2) Alexander Flemingb) Radium3) Narinder Kapanyc) Electron4) Marie Curied) Penicillin

A. 1-c, 2-d, 3-a, 4-b
B. 1-a, 2-d, 3-c, 4-b
C. 1-c, 2-a, 3-d, 4-b
D. 1-a, 2-d, 3-b, 4-c
Answer» B. 1-a, 2-d, 3-c, 4-b


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