1. La calzada romana
uso:destacaban la movilización de grandes ejércitos con una rapidez nunca vista
Hormigón
uso:permitió que los edificios construidos no estuvieran solamente hechos de piedras apiladas y mortero.
1.to abolish bad culture
2.to construct infrastructure
Explanation:
If the price is good the supply is good if good cost than the supply increases
Answer:
American mathematician and aerospace engineer
who in 1958
<em> became the first African American female engineer to work at the National Aeronautics and Space Administration (NASA).</em>
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<em>U 2 can help me by marking as brainliest........</em>
