Does "Although Czech has a periphrastic passive construction (like English), colloquial word-order changes frequently produce the passive voice." contain the correct answer to "Because word order is flexible in Czech, what does it tend to actually be used for?"

A: no

Does "In 1822, the citizens of Boston voted to change the official name from "the Town of Boston" to "the City of Boston", and on March 4, 1822, the people of Boston accepted the charter incorporating the City." contain the correct answer to "What year was the name changes to the City of Boston?"

A: yes

Does "These films can range from a few micrometers in thickness to up to half a meter in depth, and may contain multiple species of bacteria, protists and archaea." contain the correct answer to "How extent can biofilm be?"

A:
yes