Enforcing laws is what the executive branch mainly does n
Answer:
A. He estimated the circumference of Earth.
Explanation:
Eratosthenes' most famous contribution to science was his calculation of the circumference of the Earth, which he completed while working on the second volume of his "Geography."
Know more about the numerous contributions of Archimedes through his 10 major achievements. One of the most famous contributions of Archimedes is the Archimedes’ principle. It is said to have been found by him when he was tasked to determine the purity of the gold crown of King Hiero II of Syracuse
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Explanation:
The Agricultural Revolution, the unprecedented increase in agricultural production in Britain between the mid-17th and late 19th centuries, was linked to such new agricultural practices as crop rotation, selective breeding, and a more productive use of arable land.
