concatenations vs concentrations

[shruti]

Business English Lesson, Advanced Level

ESL/EFL Test #372 "Monopoly", question 1

According to Cornell University Law School, trusts and monopolies are ......... of wealth in the hands of a few.

(a) amassings
(b) concatenations
(c) concentrations
(d) masses

Business English Lesson, Advanced Level

ESL/EFL Test #372 "Monopoly", answer 1

According to Cornell University Law School, trusts and monopolies are concentrations of wealth in the hands of a few.

Correct answer: (c) concentrations
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hi,

whats the difference between concatenations and concentrations?

shruti

[Mister Micawber]

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A 'concatenation' is a linking together of e.g. circumstances, forming a relationship. 'Concentration' (as here) is merely a gathering together.
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Native English teacher at Mister Micawber's