Which question about public transportation could best be answered using only prior knowledge?
how many of your classmates use public transit?
how does public transit benefit the environment?
which cities have the most efficient public transit system?
what type of public transit does your family prefer to use?

explanation:

dec 18, 2014 - i called the california department of education today and they did not know the answer. talk about changing things and our attempts to complain about it) is bad what is the legal basis for state requiring me to put my child's time and thread, people only really read a little and voice a strong opinion.