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Benjamin Franklin:

improved mail service between England and the colonies

developed the subsidence theory of coral reef formation

organized a three-year, world voyage with HMS Challenger

all of the above

2 Answers

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Answer:

Benjamin Franklin improved mail service between England and the colonies

Explanation: hope it helps

User Jagrut Trivedi
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Benjamin Franklin improved mail service between England and the colonies, he was known as the first postmaster general too!
User Fabiangebert
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