AdolphMiyasaka624 AdolphMiyasaka624

17-03-2015
English

contestada

The hot-air balloon launched by the Montgolfier brothers in 1783 was the ___ of the modern airplane. A. precursor B. conglomeration C. valor D. celerity

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Crystal7174 Crystal7174

18-03-2015

The correct answer is A - precursor, meaning to come before (person or thing). The key is the prefix "pre" which literally means came before or previous to.

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