3.1.1 Which ONE of the following coordinates is NOT found on the topographic map? A 25° 30' 58" S; 26° 07' 07" E B 25° 30' 25" S; 26° 07' 26" E C 25° 27' 07" S; 25° 31' 36" E D 25° 27' 56" S; 25° 29' 26" E 3.1.2 The straight-line distance from I in block A1 to Kopfonteinnek on the orthophoto map is .. - NSC Geography - Question 3 - 2023 - Paper 1

Using a scale measurement on the orthophoto map, the straight-line distance can be measured with a ruler and then converted to actual kilometres. The answer is D: 100,4 km.

To calculate the average gradient, use the formula: $ext{Gradient} = \frac{\text{Vertical Interval (VI)}}{\text{Horizontal Equivalent (HE)}}$. Here, VI = 1463 m - 1183.3 m = 279.7 m and HE = 3000 m, leading to a gradient of approximately 0.0932 or 10.72.

The gradient is steep, which presents challenges in construction. Additionally, there are multiple valleys and rivers in the area, increasing the complexity and cost of road building.

The vertical scale is 1:2000, indicating a 2000 times larger representation in vertical dimension compared to the horizontal.

The vertical exaggeration indicates that the vertical dimensions in the cross-section have been stretched by a factor of 5.

The correct answer is C: Non-perennial river, which indicates areas where water is typically available only during the rainy season.

The human-made feature responsible for higher temperatures is likely built-up areas, which absorb and retain heat more effectively.

Built-up areas generate more heat due to increased human activity and heat absorption from buildings and pavements. Multiple reflections of heat can occur due to surfaces not absorbing it, raising the temperature further.

Woodlands or trees are natural features that provide shade and transpiration, resulting in lower temperatures compared to open areas.

The correct sketch representation is C, which illustrates the gradient and area effectively from block C1 to B1.

The gentle slope (flat land) of the area provides ideal conditions for shooting ranges, where safety and visibility are important.

The settlement is positioned away from the dam, minimizing direct pollution inputs. Additionally, woodland forms a buffer which further reduces pollution and controls runoff.

The correct answer is B, representing a standardised point symbol used to depict specific features on maps.

The point symbol is located in block C3 on the topographic map.

An attribute of the point symbol is the name of the monument, which can be referenced for identification.

Component A refers to the data layer used in GIS applications, which could be representing geographical information.

The GIS component is crucial as it allows for the integration and analysis of diverse data, enabling better decision-making.

Data integration supports holistic understanding by combining multiple aspects into a single map, enhancing usability and clarity.