It would be the "flying buttress" that is the the architectural support added to the exterior of a Gothic building that forms an arch, since this is what actually separates most gothic structures from similar buildings.
Marie Curie was a physicist and chemist and a pioneer in the study of radiation. She and her husband, Pierre, discovered the elements polonium and radium. Together, they were awarded the Nobel Prize for Physics in 1903, and she received another one, for Chemistry, in 1911.
<span> <span>Industrialization had many positive effects on society in Europe in the 18th and 19th centuries. The creation of power machines and factories provided many new job opportunities. The new machinery increased production speed of good and gave people the ability to transport raw materials. Industrialization also lead to urbanization. Urbanization is the movement of people into cities and city building. Citizens wanted to live closer to the factories that they worked at. The Western World went from rural and agricultural to urban industrial.
</span></span> <span> Despite its many positive effects, industrialization had a negative impact on Europe too. Urban areas doubled, tripled, or quadrupled in size which led to over crowding in cities. Sometimes a large population is a good thing, but in this case the population was too big and caused many health problems. Living conditions were dirty and unhealthy. Cities were unsanitary and diseases filled the streets. There were no sanitation codes in cities. Many citizens got very sick. </span>
increased colonial revenue by taxing the goods going to and from british colonies. it was also one of the direct economic causes of the american revolution.
I believe the answer is A. <span>He observed that not all heavenly bodies moved around the Earth.</span>
