Discuss two different examples of uniformitarianism
What will be an ideal response?
Answer: Many different responses could be given including ripple marks on the beach versus preserved ripple marks, raindrop impressions, trace fossils, volcanic ash layers, lava flows, and the weathering and erosion of mountain sediments.
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In a battery, the following two oxidation-reduction reactions are taking place: rxn A: Zn + 2 OH- ? ZnO + H2O + 2e- rxn B: 2 MnO2 + H2O + 2e- ? Mn2O3 + 2 OH-What is undergoing oxidation?
A. Zn B. MnO2 C. ZnO D. H2O E. OH-
A(n) ____________________ is a break in the geologic record resulting, at times, from erosion. Fill in the blank(s) with the appropriate word(s)
Generally, between an advancing cold front, and a warm front farther to the east, the wind blows from the
A) south. B) north. C) west. D) northeast.
If current trends continue, the United States is likely to
A. decrease domestic production and decrease imports and exports. B. increase domestic production and increase imports and exports. C. decrease domestic production and increase imports and exports. D. increase domestic production and decrease imports and exports.