List four new inventions designs or ideas of the 1780s

An atom of element a has 73 protons. what would the element's atomic number be?

How does désir represent the diversity of europe today? how did the 1400s and 1500s affect the religious diversity of europe? how might cultural diversity in a place like germany affect everyday life? what are two reasons some europeans might find immigration to be an advantage? what are two reasons some might find it to be a disadvantage? why do you think languages and culture spread more easily in europe now than in the past?

Why do all market economies have taxes to support armed forces police forces public schools and at least some form of public transportation?