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Which contribution to the body of scientific knowledge is most recent? a)the development of the lever b)the confirmation of the double-helix structure of DNA c)the discovery of …

Which contribution to the body of scientific knowledge is most recent? a)the development of the lever b)the confirmation of the double-helix structure of DNA c)the discovery of …
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Which contribution to the body of scientific knowledge is most recent?

a)the development of the lever
b)the confirmation of the double-helix structure of DNA
c)the discovery of electricity
d)the theory of evolution

User Clfaster
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2 Answers

4 votes
B is right The confirmation of the double-helix structure of DNA is most recent
User Noam Manos
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4 votes
b) the conformation of the double helix structure in DNA
User PeterVermont
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7.8k points
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