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A scientist wants to study bird predation of peppered moths. In a natural environment, they put light moths and dark moths on the trunks of trees and observe the moths for 30 minutes. The scientist records if each moth was eaten.  What was the independent variable in this experiment?

Tellurium

Bismuth

Argon

Co

The result of Pickett’s Charge was ________.

Johnson’s Reconstruction plan ________.

First essay question answer

The radical Republicans’ goals for Reconstruction included all of the following except ________.

Three slave literary stereotypes in antebellum Southern writing were ________, ________, and ________.