What is a scientific belief that was accepted centuries ago but has since been disproved

What was the plight and fight of the following groups? labor farmers native americans african americans women immigrants ~ ap u.s. history (period 6: 1865-1898)

Which of the following is/are a major technological advances of the mayan civilization? a. the calendar c. math b. architecture d. all of the above

Ilive in michigan i went to iowa and killed someone i then went to florida for vacation i got caught for the iowa murder wile kicking back on the beach in miami where will i be tried