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.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

a)scientists

explanation:

the national defense education act had two main goals. the first one was to provide personal that was oriented to defense, including scholars, engineering students and so on. the other goal was to provide financial assistance for the students who would be enrolling at colleges and universities in the 1960s.