In addition to her work on the Miocene hominid fossil record, MaryLeakey contributed to archaeology with her discovery of the earliest direct evidence of hominid activity and painstakingly documenting East African cave paintings.
(A) Leakey contributed to archaeologywith her discovery of the earliest direct evidence of hominid activity andpainstakingly documenting :not parallel
(B) Leakey contributed to archaeologyby her discovery of the earliest direct evidence of hominid activity and by
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(A) Leakey contributed to archaeologywith her discovery of the earliest direct evidence of hominid activity andpainstakingly documenting :not parallel
(B) Leakey contributed to archaeologyby her discovery of the earliest direct evidence of hominid activity and by
...
