Final answer:
In geography, 'concentration' refers to the arrangement of features across Earth's surface, highlighting areas where a certain characteristic, like population or industries, is more densely accumulated than in others. It is crucial for understanding spatial patterns and distributions in both physical and human geography.option a) is correct.
Step-by-step explanation:
The term concentration in geography refers to a kind of spatial distribution and can be best understood through option a): The arrangement of something across Earth's surface. This relates to how geographically, phenomena such as populations, resources, or industries may be concentrated in specific areas, leading to a higher density in those areas compared to others. It's distinct from terms such as diffusion or distribution, which refer to the spread of features over time or area respectively.
In geography, studying concentration could involve looking at how certain cities become densely populated while others do not, or how industrial facilities tend to cluster in certain regions. It is about understanding the factors that cause this agglomeration of features in space. This concept is essential in both physical geography and human geography, as it helps explain patterns of settlement, economic development, environmental impacts, and many other spatial dynamics.
For instance, geographers might examine the concentration of tech industries in Silicon Valley and explore the cultural, economic, and physical geographical factors that contributed to this clustering. Similarly, they might study why certain areas are prone to high levels of pollution concentration and the subsequent ecological and human effects.
Please note, the term concentration also has a chemical definition within the scientific community unrelated to geography, which refers to the amount of a solute that is dissolved in a specific quantity of solvent. It's crucial to apply the correct context when discussing concentration in geography versus chemistry.