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Earth's magnetic field is generated from within the uppermost mantle and crust.
Q42: All greenhouse gases contribute equally to global
Q56: Briefly describe chemical weathering, providing examples of
Q58: The annual growth ring added by tree
Q73: Limestone formed from the shells of marine
Q74: At wilting point, no water remains in
Q85: As ocean temperatures increase, the ability of
Q91: The Mediterranean climates are characterized by winter
Q102: Mineral deposits with caves and caverns are
Q104: Folded layers of rock can form a
Q140: The Alps are examples of the second