According to the fossil record, when did the dinosaurs become extinct?
a
at the start of the mesozoic era
b
at the start of the paleozoic era
c
at the end of the mesozoic era
d
at the end of the paleozoic era

How were royal colonies different from corporate colonies? what was the king's privy council? what role did it play in the house of burgesses? what led to the creation of the rhode island colony? how was the colony governed?