Correct Option: A. Hydro-electric power generation
Detailed Explanation:
- Understanding Hydro-electric Power Generation:
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Hydro-electric power generation involves the conversion of energy from flowing or falling water into electricity. This process typically requires a dam or a water reservoir to create a sufficient height difference (head) that allows water to flow through turbines, generating power.
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Identifying Suitable Locations:
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The ideal locations for hydro-electric power plants are usually near large water bodies, such as rivers or lakes, where there is a significant flow of water. The geography of the area is crucial; it should have a steep gradient to maximize the potential energy of the water.
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Why Option A is Correct:
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If points (1) and (2) on the map are marked as sites of hydro-electric power generation, it indicates that these locations have the necessary geographical features: a river or water source with sufficient flow and elevation changes. Additionally, these sites are often strategically chosen for their proximity to power grids and population centers to efficiently distribute the generated electricity.
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Why Other Options are Incorrect:
- B. Iron and steel production: This process requires access to raw materials like iron ore and coal, as well as significant energy inputs. While some iron and steel plants may be located near rivers for transportation, they are not specifically tied to water flow like hydro-electric plants. Therefore, this option does not fit the context of the question.
- C. Oil drilling: Oil drilling sites are typically located in areas with oil reserves, such as offshore platforms or oil fields. These sites are not necessarily near rivers or water bodies, making this option less relevant to the context of hydro-electric power generation.
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D. Oil refining: Similar to oil drilling, oil refining requires proximity to oil supply but does not depend on water flow or elevation changes. Refineries are often located near transportation hubs or ports rather than water sources suitable for hydro-electric generation.
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Common Pitfalls:
- Students may confuse hydro-electric power generation with other industrial processes that also require water but do not utilize it in the same way. It’s important to focus on the specific requirements of hydro-electric power, such as the need for flowing water and elevation changes.
Revision Summary:
- Hydro-electric power generation converts water flow into electricity, requiring specific geographical features.
- Ideal sites are near rivers or lakes with significant elevation changes.
- Other options (iron and steel production, oil drilling, oil refining) do not align with the characteristics of hydro-electric power generation.
- Understanding the unique requirements of each process is crucial for answering related questions correctly.