When magma cools, the magnetic iron-bearing minerals align themselves with the Earth's magnetic field and record ____________________ and ____________________.
Fill in the blank(s) with the appropriate word(s).
strength, direction of the North Pole
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The equatorial regions of the African continent are dominated by which two climate categories?
A) BS/BW ? steppe and desert B) Af/Ca ? tropical rainy and humid subtropical C) Af/Aw ? tropical rainy and tropical savanna D) ET/EF ? tundra and ice cap E) Aw/Cs ? tropical savanna and Mediterranean
Explain the similarity, as well as the difference, between a join operation and a relate operation.
What will be an ideal response?
Differences in emissivity of a substance are governed by differences in
A) moisture. B) pressure. C) temperature. D) wind speed.
A(n) _______________ is an island consisting of a ring of coral reefs that have grown up from a subsiding volcanic island and that encircle a central lagoon
Fill in the blank(s) with correct word