1write a thoughtful paper that compares how chemists of, Ask an Expert

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(1)Write a thoughtful paper that compares how chemists of the early 20th century helped shape social policy and what their challenge is for the present and the future of life on this habitable planet.

(2) Explain why the USA lags behind the rest of the world with respect to the use of SI units.
4-5 pages, using more than one source and providing the proper acknowledgement of all your sources, both in the body and the bibliography. (academic writing standards).

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