12. mayans developed all the following except for:
large rectangular stone carvings to mark the time and date
carvings on temple walls to record history
a large trading system
complex farming methods

Which of the following is not a requirement to become a us representative (congressman/congresswoman)? a.be at least 25 years old b.have been a citizen of the united states for the past seven years c.be (at the time of the election) an inhabitant of the state they represent. d.hold a college degree