Month: October 2019

Population structure – meaning

Population structure refers to a composition in terms of the proportion of people according to certain status categories such as age, sex, educational level, marital status, the labor force (skilled or unskilled), ethnic status, household characteristics, health, citizenship, rural or urban category as well as economic status. The age-sex structure is commonly used in studying …

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Meaning of legend in map reading

Most maps use symbols, colors, shadings, or other devices to represent features or the amount, degree, or proportion of some quantity. Some symbols are self-explanatory, but it is usually necessary to include a legend box in a corner of the map to explain the symbolization. The map legend is the box below the map which …

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meaning of volcano.

The volcano is ruptured on the crust of planetary mass such as earth, which allows hot lava, volcanic ash and gases to escape from the magma chamber. Volcanic activities have spread all over the world and can happen both on land and beneath the ocean. Volcanic activities are especially active in convergent and divergent zones where …

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