Question

multiple-choice question
what is the 2nd way discussed for learning about the interior of the
earth?
study rocks, volcanoes, and plate tectonics
use telescopes to look closely at the inside of the earth.
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Explanation:

Telescopes are used to observe celestial objects, not the Earth’s interior. Studying rocks, volcanoes, and plate tectonics is a valid method to learn about Earth’s interior (e.g., volcanic rocks give insights into the mantle, plate tectonics shows crustal and mantle dynamics). So the second way discussed is likely "Study Rocks, Volcanoes, and Plate Tectonics".

Answer:

A. Study Rocks, Volcanoes, and Plate Tectonics