Geology is the scientific study of the Earth, whose crust is subdivided into:
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Answer: C. Both (a) & (b)
Explanation
Geology examines the solid Earth, whose major crustal divisions include vast ocean basins. Continents form the other primary topographic division of the Earth solid crustal surface. Both continents and oceans make up the foundational structural components studied by geologists. The Earth crust is the outermost solid shell of a rocky terrestrial planet. Continental crust consists mostly of granitic rocks, whereas oceanic crust is primarily basaltic. Plate tectonics constantly reshapes the distribution of continents and ocean floors over time.
Geologists map continental fault lines and oceanic trenches to understand earthquake and volcanic activity. Mining corporations analyze crustal geology to locate valuable mineral and hydrocarbon deposits efficiently. Earth science educators teach crustal subdivisions to explain global topography and plate movements. Option A focuses exclusively on oceans while completely omitting terrestrial continental landmasses. Option B highlights continents but ignores the expansive ocean basins covering the planet. Option D is wrong because both continents and oceans are valid crustal subdivisions.
- Subject
- Agriculture
- Category
- Forestry
- Topic
- —
- Difficulty
- medium
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