Read the following text from A History of Chewing Gum by Candy Wrigley.

People today enjoy the clean, fresh feeling that they get from chewing a stick of gum. However, most people do not appreciate the fact that gum has been around for thousands of years. The ancient Maya used chicle, a form of tree sap, as chewing gum nearly three thousand years ago. They harvested chicle from the bark of trees and used it to freshen breath and drive away hunger.
A student used information from the above text to write a report about chewing gum. Select the sentence in the student's report that plagiarizes the above text.
Chewing gum started to become popular in the United States in the late 1800s. Yet many people do not appreciate the fact that gum has been around for thousands of years. Scientists have discovered that Europeans used birch bark tar as gum nearly nine thousand years ago. In Central America, gum chewing dates back to the Aztec and Maya civilizations.

Scientists have discovered that Europeans used birch bark tar as gum nearly nine thousand years ago.