Lewis structure Set, Help students determine the types of bonds in a substance, draw Lewis structures, and construct models of molecules, Chemists find the use of models helpful to construct Lewis structures and study covalent bonding
Model Australopithecus afarensis Lucy Dk Finish Skull, 3.2 MYA, was discovered by D. Johanson in 1974 in Hadar, Ethiopia. Dark Finish, Size: 16.6L x 13.1W x 14.5H (cm)
Model Australopithecus afarensis Lucy Lt Finish Skull, 3.2 MYA, was discovered by D. Johanson in 1974 in Hadar, Ethiopia. Light Finish, Size: 16.6L x 13.1W x 14.5H (cm)
Model A. Africanus Sts 5 Mrs. Ples Skull, 2.5 MYA, was discovered in 1947 by R. Broom and J. Robinson in Sterkfontein, Transvaal, South Africa, Size: 17.1L x 12.1W x 16H (cm)
Model A. Boisei Knm-Er 406 Cranium, 1.7 MYA, was discovered by R. Leakey at Kenya, in 1969. This discovery helped support the classification of boisei as a separate species of Australopithecus, Size: 19.9L x 17.1W x 11.8H (cm)
Model A. Boisei Oh5(Zinjanthropus) Skull, 1.8 MYA, most famous fossil from Olduvai Gorge, Tanzania. OH5 was discovered by Mary Leakey in 1959. The accepted genus name has since changed to Australopithecus, Size: 21L x 16W x 18.9H (cm)
Model A. Boiseioh5(Zinjanthropus)Cranium, 1.8 MYA, most famous fossil from Olduvai Gorge, Tanzania. OH5 was discovered by Mary Leakey in 1959. The accepted genus name has since changed to Australopithecus, Size: 19.5L x 16.1W X 17.2H (cm)
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