Match each generation of computers with its features.
used vacuum tubes
used transistors
used integrated circui
second-generation computers
third-generation computers
first-generation computers

where is thing if you show me on the map or have a map i can answer your question

the church governed the society after the empire fell.   constantine took charge of rome and ended the confusion which had over religion and made christianity as the only religion and that started ruling the roman empire. he also divided the empire into two and fortified the eastern part.   he ruled the eastern part.

c. is the answer : ) (you may punch me if im wrong lol)

i would think the answer is between b and d i would say d sorry if wrong