Immigrants affect urban environments in all of the following areas except a. cultural behaviors b. city language c. architecture d. the formation of exclaves

D. the formation of exclaves

Explanation:

An exclave refers to a portion of a state or territory that is geographically separated from it main territory by a surrounding alien territory. These are the opposite of enclaves, which are territories entirely surrounded by the territory of another state. While immigrants can have an impact on the cultural behaviours, language and architecture of an urban area, they do not have an impact on the formation of exclaves or enclaves.

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".