Describing Key Innovations in Engineering Choose the word or phrase that best completes each sentence.
Romans dj-veloped
v which allowed engineers to build complex structures and roads.
Romans supplied water to their cities by building
Roman engineers invented the world's first
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nanotechnology is a powerful tool in biomaterials research as it creates numerous possibilities for the engineering of functional molecules. nano-bio refers to projected ability to incorporate biomimicry into various materials at nanoscale.  

did anyone actually do this? like if anyone has submitted this i rly need .

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explanation:

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