Who was the editor who worked with the author to polish the novel that won the pulitzer prize for fiction in 1961

The correct answer is:

Harper Lee

Explanation:

Nelle Harper Lee, better known by her pen name Harper Lee, was an American novelist generally recognized for To Kill a Mockingbird, issued in 1960. Immediately successful, it won the 1961 Pulitzer Prize and has converted a classic of modern American writing.

- three-quarters or two-thirds..

- "the constitution provides that an amendment may be proposed either by the congress with a two-thirds majority vote in both the house of representatives and the senate or by a constitutional convention called for by two-thirds of the state legislatures."

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radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.