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In urban planning and design, blue space (or blue infrastructure) comprises areas dominated by surface waterbodies or watercourses. In conjunction with greenspace ( parks , gardens , etc. specifically: urban open space ), it may help in reducing the risks of heat-related illness from high urban temperatures ( urban heat island ). [ 1 ]
There may considerable co-benefits to the health and wellbeing of populations with access to blue spaces in the urban context. [ 16 ] [ 17 ] Accessible blue infrastructure in urban areas is also referred as to blue spaces .
Urban green spaces are pieces of nature in the cities designed to address this problem. [33] The distance an individual lives from a green space or park and the proportion of land designated as open space/parks has been shown to be inversely related to the number of anxiety/mood disorder treatments in the community.
Word problem from the Līlāvatī (12th century), with its English translation and solution. In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation.
The word problem for an algebra is then to determine, given two expressions (words) involving the generators and operations, whether they represent the same element of the algebra modulo the identities. The word problems for groups and semigroups can be phrased as word problems for algebras. [1]
The first form is absolute spacing. Absolute spacing is the measurement of all the trials within the learning and testing periods. An example of this would be that participants would study for a total of thirty trial periods, but the spacing of these trials can either be expanding or uniform. The second form is called relative spacing.
Word problem for context-sensitive language [35] Intersection emptiness for an unbounded number of regular languages [32] Regular Expression Star-Freeness [36] Equivalence problem for regular expressions [21] Emptiness problem for regular expressions with intersection. [21] Equivalence problem for star-free regular expressions with squaring. [21]
Another example: when the spaces between words line up approximately above one another in several loose lines, a distracting river of white space may appear. [4] Rivers appear in right-aligned, left-aligned and centered settings too, but are more likely to appear in justified text, because of the additional word spacing.