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50 POINTS!


Read the passage:
For the last three years, Shumaker has been working with Azy and five other orangutans at the Zoo's Think Tank building. In addition to these great apes, Think Tank researchers are studying creatures as various as hermit crabs, leafcutter ants, and macaques. They hope to learn whether-and-how animals think. Some of the scientists look at tool use. Others observe the animals' social life. Shumaker would like to know if orangutans can learn language.

Which best identifies the author's purpose?



to persuade

to inform

to entertain

to tell a story