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Pretest: The Fluid Earth
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Select the correct answer from each drop-down menu.
Arya is writing a research paper about physicist Milutin Milankovitch. Help Arya complete the following paragraph of her essay.
Milutin Milankovitch was an astrophysicist who was famous for his revolutionizing theories that helped us better understand our climate.
He explained how the concepts of obliquity, eccentricity and precession affect the amount of heat Earth receives, Milankovitch also
explained how this heat affects the climate on Earth. The term obliquity refers the
of Earth's axis. Eccentricity (e)
describes how circular Earth's orbit is. If e=0, the seasonal changes on Earth would be
Precession
explains the
of Earth's axis as it traces an Imaginary circle, which affects Earth's solstices over time.
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