Ice ages occur because of (a) chemicals people put into the atmosphere. (b) variations in Earths tilt
Question:
Ice ages occur because of
(a) chemicals people put into the atmosphere.
(b) variations in Earth’s tilt and orbit.
(c) asteroids crashing into Earth.
(d) changes in the temperature of Earth’s core.
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Related Book For
Conceptual Integrated Science
ISBN: 9780321818508
2nd Edition
Authors: Paul G Hewitt, Suzanne A Lyons
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